1) I ...................................... (fix ) my old computer. a) have fixed b) has fixes c) have fix d) has fixed 2) The students ............................................... ( do ) their homework. a) have do b) has done c) have done d) have does 3) It .......................................... ( be) a really good day. a) have been b) has was c) has were d) has been 4) The apprentice ................................. ( make ) an electrical board . a) have made b) has made c) have make d) has make 5) We ................................................. ( work ) in abig company. a) have worked  b) has work c) have works d) has works 6) I..........................................( find) a lot of information for our project . a) Have finded b) Have find c) Have found d) Has found 7) They .............................................( use ) the multimeter . a) has used b) have used c) has uses d) have using 8) I .................................................( check ) the control station . a) have checked b) has checks c) have checking d) has checked 9) Tom.............................................( see) a new project about Robots on the website . a) Have seed b) Has seen c) Have saw d) Have seen 10) You .............................................. (bring ) many tools . a) have bring b) have brought c) has bring d) have brings 11) You .....................................( install ) the new wires carefully . a) Has installed b) Have install c) Have installed d) has installs 12) We ............................. ( study ) at SENATI . a) have studied b) have study c) has studied d) has studied 13) He .............................. ( go ) to work to the workshop . a) has goes b) has gone c) have gone d) have goes 14) My partner ................................................ ( measure ) the electric current  a) have measure b) has meausring c) have measured d) has measured 15) The technician .................................. ( connect ) the plug . a) have connects b) has connected c) has conncets d) have connecting 16) I .................................. ( buy ) a screwdriver and a hammer . a) have bought b) has huy c) have buy d) has bought 17) She ........................................  ( send ) an email to her boss . a) Have send b) Has sends c) has sent  d) Have sent 18) We ............................................. ( burn ) the fuses . a) have burn b) has burnt c) have burns d) have burnt 19) You .........................(download ) a new app in my cellphone . a) have downloaded b) have down c) has download d) have download 20) I ...................................( turn off ) the computer . a) have turn off b) have turned off c) has turn off d) has turned off

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