I don’t know whether you happen ____ it, but I’m going to study in the U.S.A. this September. A. to be heard B. to be hearing C. to hear D. to have heard
It seems that living green is _______ easy and affordable. A small step makes a big difference.
Don’t wake Doctor Thompson up unless it is a real_________; he is too tired and needs a good rest.
---The girl looks so beautiful. Is she a model or a film star? ---________. She’s a teacher.
The knowledge ____ in one’s childhood will make a stronger impression on him than what he learns at any other life stage.
In China today, _______ car is becoming _____ popular means of transportation.