The Chinese students have_____weeks _____in the summer than American students.
—What do you________ the TV series“Grandpa's war of resistance against Japan”?(姥爷的抗战)—It is________. I’ve never seen such a better one before.
I don’t know if it _______ tomorrow. If it _____, we will go out for a picnic.
An old man was found ______ in his house. Luckily, he was taken to hospital in time.
The old scientist devoted most of his time __________ the space science.
—Excuse me, Mum. When can we have dinner?—Not until it in half an hour.