—Happy birthday, Mary!
—Thank you! It’s the best present I for．
| A．should have wished | B．may have wished |
| C．must have wished | D．could have wished |
It is most _____that the environmentalists will come to the area to investigate the possible damage caused by the serious pollution.
| A．likely | B．perhaps | C．possibly | D．probably |
After the meeting, I to write a report on our next term’s work.
| A．set about | B．set aside | C．set out | D．set off |
After winningwar in Iraq，the country fell intonew worries of economy．
| A．the; the | B．a; the | C．the; ／ | D．a; ／ |
As we know, in our Chinese history _____ was a time when industry was only a home business.
| A．it | B．there | C．that | D．what |
Only when it rains in summer_______ such beautiful rainbows here.
| A．could you see | B．you can see |
| C．you will see | D．can you see |