—I’ll come to see your performance at 9:00 tomorrow evening. —But by then my performance will have ended and I ______ reporters in the meeting room at that time.
Special attention should be _____ to air pollution wherever the factory will be built.
In our class,when the bell rang and the teacher closed his book ,it was a ________for everyone to stand up .
He is so busy with the research _____ he has no time left for any other activity.
It was going to be some time _____ he would see his father again.
She does not know _____ the situation, for she is too inexperienced.