一When did you learn the news that Obama made a trip to Canada as President?一 was on my return．
| A．That |
| B．It |
| C．There |
| D．This |
Mother: Bob is sure ___ tonigh.
Father: Don't be so sure ___ it.
| A．to come ; about | B．to come; of | C．will come; for | D．coming; with |
We found ___ for us to finish the work within two days.
| A．it impossible | B．that possible | C．this impossible | D．possible |
Professor Smith ___ China yesterday.
| A．arrived at | B．arrived in | C．get go | D．reached for |
I’m writing to you and ask whether you’d like to give us ___ how to learn English.
| A．some advice on | B．some advices about | C．an advice about | D．advices on |
I wonder why he hasn't __ any of my letters for such a long time.
| A．replied | B．replied to | C．answer for | D．asked |