—You look so worried.What’s the matter?
—I don’t know________these boring problems.
| A．what to deal with | B．how to do with |
| C．what can I do with | D．how to deal with |
—Who______ it be that is knocking at the door?
—It ______ be Father, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
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 |