A. clicking B. click C. to click D. clicked
A. have replaced B. replaced C. were replaced D. had been replacing
A. efficient B. effective C. affective D. affectionate
A. sold B. delivered C. priced D. bought
A. per day B. every week C. every minute D. an hour
An earphone B. A microphone C. A cellphone D. Headphone
A. find for B. find against C. find out D. give out
A. in B. on C. at D. to
A. shop B. shopping C. to shop D. shops
A. delicious B. pre-cooked C. expensive D. cheap