—If we take a plane,we’ll of course have arrived in Paris by the next weekend.
—Don’t be sure.We should___the weather factor.What shall we do if it is foggy？
| A．leave alone |
| B．allow for |
| C．look over |
| D．take advantage of |
—______I use your computer to send an e-mail?
—Yes, you ______. But you mustn’t keep it too long.I’ll surf the Internet after supper.
| A．Could; could | B．Could; must | C．Can; can | D．Could; can |
—Is it good to look up every new word when I come across it in reading?
—No. You ______because you are likely to guess the meaning from the context.
| A．can’t | B．mustn’t | C．don’t have to | D．ought not to |
—If William _______, he _______that green peach.
—Luckily he was sent to the hospital in time.
| A．was warned; would not take | B．had been warned; would not have taken |
| C．would be warned; had not taken | D．would have been warned; had not taken |
______the heavy rain, we ______the town.
| A．But for; should have reached | B．Because of; would have reached |
| C．During the period of; we would reach | D．In spite of; we should have reached |
The two strangers have been talking in the park for a long time as though they ______old friends.
| A．are | B．should be | C．were | D．would be |