—Have you found out anything, sir?
—We are sure that the thief entered the house through the window instead of breaking in. You have closed the window before you left.
| A．shouldn’t | B．must | C．couldn’t | D．might |
—Ann is in hospital.
— Oh, really? I ______ know. I _______ go and visit her.
| A．didn’t, am going to | B．don’t, am going to |
| C．don’t, will | D．didn’t, will |
—What are you going to do this weekend?
— . If time permits, I may go to Shanghai with my friends.
| A．It depends. | B．It doesn’t matter. |
| C．Forget it. | D．Don’t mention it. |
Little Johnny felt the bag, wondering what it ________ .
| A．collected | B．contained |
| C．consists | D．Saved |
His brother ___the army since 2012.
| A．joined | B．has joined |
| C．was in | D．has been in |
It is believed that life in the twenty-first century is much easier than ________ .
| A．that used to be | B．it is used to |
| C．it was used to | D．it used to be |