I came here in 2009 ,so I _______this school for 4years .A. has been in B. have been in C. have in.
— I don’t know how to do it well.— Don’t worry. Here are some ________.
During the time we made a model plane, lots of things __________.
—I hear Frank is going to ___________ at the school meeting.—Do you know what he is going to __________?
Andrew was afraid to fill the room with water again, so he _________ the pipe carefully.
─ _________ is the weight of the baby panda? ─ It’s about 100 grams.