Although we have some trouble in study, we believe we can _______.
Miss Sullivan clarified the science Project in Simple but vivid language so as to make it easier for teenagers ________.
I'm really concerned ahout you. If something _______ happen to you call me at once.
How could she be so calm in front of so many people? It is really _______me.
-Did you reach the US the next day? - No. Somehow . it was three days_______ I arrived there.
It is so cold here in Zhengzhou this winter that it seems as if we ______ in Iceland.