—Hi, why are you here?—I ________ for Susan for 15 minutes.A. have been waiting B. have waiting C. am waitingD am been waiting
——What’s DIY exactly, Suzy? ——It ________ “do-it-yourself”, you do something yourself instead of ________ someone to do it.
The boy has such a big meal every day. ___________, he is getting fatter and fatter.
I don’t know if he ________ tomorrow. If he ________ here, I will call you .
David is taller than ________ in his class.
—— Our team has won a gold medal. ——_______ news! Let’s tell our teacher about _______ news quickly.