The old man is very healthy. I think he will live______.
| A．to be 100 years old | B．100 years old |
| C．at 100 years old | D．in 100 years old |
______is difficult to______ others.
| A．That , depend on | B．It , depend on |
| C．This, depend on | D． It, depend with |
Susan borrowed some books from me, but she forgot to ______them to me.
| A．bring | B．lend | C．borrow | D．return |
We decided not to climb the mountain because it was raining ______
| A．heavily | B．strongly | C．hardly | D．badly |
--- I don’t know if it _____ ____ tomorrow.
--- Well, if it _______, we won’t go for a picnic.
| A．will rain； will rain | B．will rain； rains |
| C．rains； will rain | D．rains； rains |
Do you remember ____when you heard about the important event?
Yes, I do
| A．what were you doing | B．what you were doing |
| C．what are you doing | D．what you are doing |