－If we take a plane, we’ll of course have arrived in London by the next weekend.
－Don’t be too sure. We should _____ the weather factor. What shall we do if it is foggy?
| A．look for | B．allow for | C．prepare for | D．use for |
Can you tell me __________
| A．who is that gentleman | B．that gentleman is who |
| C．who that gentleman is | D．whom is that gentleman |
What I'm considering now _________ the money we need.
| A．is | B．are | C．were | D．was |
The fact _______ she had not said anything surprised all of us.
| A．which | B．what | C．that | D．how |
We thought _______ strange that Tom did not come yesterday.
| A．that | B．it | C．this | D．what |
That is ______ Lu Xun once lived.
| A．what | B．where | C．that | D．why |