The Medical Research Council said it could not _____ use of the new drug without further tests.
I prefer a street in a small town _____one in such a large city as Shanghai.
—Do you think an advertisement is a help when you look for a job?—Well,it depends.________,it gives me a chance to try.
—You couldn’t have chosen any ________gift for me.—I’m glad you like it so much.
Look at the terrible situation I am in!If only I ________ your advice.
The captain urged that the mission ________ before dark.