– We’ll have a mountain climbing, but when shall we meet? – Let’s make it at half past eight _______ the morning of May 1st. A. on B. in C. to
We'll never give up working on the experiment (实验), ______ difficult it is.
After class, students ______ clean the chalk off the blackboard.
The fish on the table ______. I want to eat it right now.
In this hotel, we have two rooms to live in, but we can’t decide ______.
Children these days ______ their parents too much. They should learn how to look after themselves.