David apologized for ________ to inform me of the change in the plan.
| A．his being not able | B．him not to be able |
| C．his not being able | D．him to be not able |
_____ snacks and drinks, but they also brought cards for entertainment when they had a picnic in forest.
| A．Not only they brought | B．Not only did they bring |
| C．Not only brought they | D．Not only they did bring |
— What about having a drink?
—_______.
| A．Good idea | B．Help yourself |
| C．Go ahead, please | D．Me, too |
There are hundreds of studentsin front of the school gate to welcome the scientist from America.
| A．waited | B．to wait | C．waiting | D．wait |
--- How are you getting along with your English study? Do you need my help?
---, but I think I can improve it by myself.
| A．No, thanks | B．That’s OK |
| C．You are helpful | D．That’s very kind of you |
--- Shall we go outing this weekend?
--- _____________. There will be a meeting maybe.
| A．It all depends. | B．You got it. | C．I can’t wait. | D．No problem. |