—How many women doctors are there in your hospital?—______ them ______ over twenty.A.A number of; areB.The number of; areC.The number of; is
Let’s ask Mr. Wang for ________ about the earthquake.
If you don’t know a word, you must in a dictionary.
is really hard them to climb Mount Huang.
You won't pass your exams________ you work harder.
You look pale today , I think the red T-shirt ___good ____you