1) The power went out_____ I was taking a shower. a) while b) when c) because d) so 2) She was sleeping ______I was cooking. a) when b) while c) before d) after 3) ______I was doing the homework,my a) Because b) So  c) When d) While 4) _______I heard the doorbell ring ,my mom was preparing dinner. a) While b) After c) Before d) So e) When 5) I kept silent ______ he was writing. a) when b) while c) so d) after 6) The girl was dancing ______I took off my sunglasses. a) when b) while c) after d) before 7) Mary put on her sweater____I called her. a) so b) because c) when d) while 8) ______I was taking a shower,my mother came home. a) When b) While c) So d) Because 9) I got home________ he called me. a) after b) before c) so d) when e) while 10) ________we were shopping in the department store, he arrived at the restaurant. a) When b) While c) So  d) After 11) She was playing basketball ______I arrived at the party. a) when b) while c) so d) because 12) _____Cathy got off the bus,a boy bumped her. a) When b) While c) Because d) So 13) Tanya was taking a bath _______Mia knocked on the door a) while b) so c) after d) when 14) _______Tanya was taking a bath Mia knocked on the door a) While b) When c) so d) after

B6 U4 when/while missing the words

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