It was a bit noisy. So the library assistant went to tell them __________ to each other again.
A. don’t speak B. to speak C. not to speak
Remember ________ too much. It’s bad for your health.
A. don’t smoke
B. not smoke
C. not to smoke
Do you know _______ he is from Hainan or not?
A. that B. whether C. if
Peter comes to school ________ in his class every day.
A. early B. earlier C. earliest
—_________? —Size M, please.
A. What can I do for you
B. What color would you like
C. What size do you take
Don’t give up. I believe your dream will ________ one day.
A. come true B. come out C. come in