—Look！He’s running so fast!
—Hard to________his legs were once broken.
| A．know | B．imagine | C．realize | D．find |
.
—Peter looks sleepy.
—So ________ if you had a fever.
| A．did you | B．would you | C．you did | D．you would |
.
—I can’t find my favourite magazine.
—I saw Jack going away with ________, but I’m not sure whether it’s yours.
| A．it | B．that | C．one | D．some |
.
_______ from endless homework on weekends, the students now find their own activities, such as attending school literature clubs.
| A．Having freed | B．Freeing | C．To be freed | D．Freed |
.
Now my hometown is not at all _______ a traveler who visited it ten years ago can expect.
| A．that | B．what | C．which | D．where |
.
—May I remind you that a Mr. Zhang is waiting downstairs, sir?
—Oh, dear. I ________ about it.
| A．forget | B．forgot | C．have forgotten | D．had forgotten |