1) I need _____ some emails. a) to answer b) answer c) answering 2) The situation is difficult _______ a) for explain b) explain c) to explain 3) I don't know what a) do b) to do c) that l do 4) I don't really mind_______ housework. a) do b) to do c) doing 5) _____is one of the best forms of exercise. a) Swiming b) Swimming c) Swim 6) ________bring our books tomorrow? a) Do we have to b) Have we to c) Do we must 7) It's free. You______pay. a) don't have to b) mustn't c) haven't to 8) You must______ your grandmother. a) to call b) calling c) call 9) You _______drink so much coffee. a) not should b) don't should c) shouldn't 10) I think you should ________to her about it. a) to talk b) talk c) talking 11) If she _____, she won't come back. a) goes b) went c) 'll go 12) If they don't come soon, we ______them.  a) don't see b) won't see c) aren't see 13) Call all me if you _ a taxi. a) won't find b) don't find c) didn't find 14) A: Whose book is that? B: It's _______ . a) my b) mine c) the mine 15) She forgot his birthday, but he didn't forget_____. a) her b) hers c) she 16) When did you ________ your husband? a) know b) meet 17) Did you ______ Mark about the party? a) tell b) say 18) If we don't run, we'll ______ the train! a) miss b) lose 19) I really ______ she's passed the exam. a) wait b) hope 20) My mother always______a lot of jewellery. a) carries b) wears

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