As she’s not here, I suppose she _____ home.
A.must go | B.must have gone |
C.might go | D.might be going |
Bears fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.
A.pack up | B.build up | C.bring up | D.take up |
Half of surveyed in 16 countries say they go first to their closet friend to share their deepest wishes and darkest fears.
A.these | B.some | C.ones | D.those |
Nothing could be done, he_____ absent.
A.was | B.being | C.to be | D.be |
He ________ the exam, but he was too careless.
A.could have passed | B.couldn’t have passed |
C.must have passed | D.may have passed |
These chairs may look good, but they’re very un-comfortable _____.
A.to sit on | B.to be sat on | C.sit on | D.sitting on |