It is pretty well understood controls the flow of carbon dioxide in and out the atmosphere today.
| A．that |
| B．when |
| C．what |
| D．how |
The letter he had been looking forward ____________ this morning.
| A．to arriving | B．to received | C．to arrived | D．to receiving |
He told ______ lie to his friends that he was heavily in _______ debt because he wanted to borrow some money from them.
| A．a; the | B．a; a | C．不填；the | D．a; 不填 |
―I’ve studied growing plants as one of my interests. Could I make some suggestions?
―_____.
| A．You will make it | B．Go right ahead | C．Don’t mention it | D．Take it easy |
We need a more capable leader, _____with a strong will and as well as a good sense of humor.
| A．who | B．that | C．one | D．which |
——Did you enjoy yourself last night?
——Yes. It’s very nice of you. I appreciated _____________to the party.
| A．to be invited | B．to have invited | C．having been invited | D．being invited |