23. Lewis was much admired ______ his work on the advanced medical research.
| A．for | B．in | C．on | D．with |
—It’s very kind of you to have carried the luggage for me.
— .
| A．I’d love to | B．My duty | C．My pleasure | D．All right |
They asked the government to make ______clear to the public ______ they did was right.
| A．it; that what | B．it; that | C．that; what | D．this; that |
The reason why he failed is ______ he was too careless.
| A．because | B．that | C．for | D．because of |
We were about to climb up to the top of the mountain ________ it began to rain heavily.
| A．as | B．while | C．when | D．since |
—How do you find my idea?
—_______.
| A．By opening your notebook. | B．I don’t like it a bit. |
| C．You showed it to me. | D．When I came in, I found it. |