The old man was _______ sad _______ say a word when he heard the bad news.
| A．too; to | B．enough; to | C．such; as | D．so; as |
—Do you often help your cousin with his English?
—No. He learns English _______.
| A．by himself | B．for himself | C．with himself | D．on himself |
_______ beautiful flowers they are!
| A．What | B．What a | C．How | D．How a |
—Did Alice sleep well last night?
—No, she didn’t. She didn’t go to bed _______ 12 o’clock last night.
| A．after | B．when | C．until | D．if |
—Would you mind _______ in the classroom?
—Sorry, I won’t do that again.
| A．not running | B．don’t run | C．not to run | D．to not run |