What’s wrong with him? I haven’t seen him _____ last Wednesday.A. on B. since C. by
_____ Lily _____ Lucy may go with you because one of them must stay at home.
He took a plane _____ he would get home early .
We are not sure if it _____ tomorrow . If it _____, we won’t go hiking .
I will get to the meeting on time ____ it is raining hard .
I don’t mind_____ in such a small room .