The chairman thought ________ necessary to invite Professor Smith to speak at the meeting.
| A．hat | B．it | C．this | D．him |
—I’m thinking of losing weight these days.
—Oh, you_______be out of your mind. You’re 50 kilograms at the most!
| A．will | B．should | C．may | D．must |
If you don’t study hard, you’ll regret, _____ you?
| A．won’t | B．don’t | C．will | D．do |
Every boy and every girl ________ pleased when they saw Shenzhou VI was sent up to space.
| A．is | B．was | C．are | D．were |
—How long have you been in this office?
—Just a few minutes. My cousins_______here together with me.
| A．have walked | B．had walked |
| C．walked | D．have been walking |
In America, _____ car is _____ popular means of transportation.
| A．the; a | B．a; the | C．the; the | D．the; / |