– I heard you gave a big surprise to your mother on Mother’s Day.
– Yes. Only when I left my parents ______ how much I loved them.
A.I realize | B.I had realized | C.had I realize | D.did I realize |
Oh, look at you---you are trembling! You must feel cold now. In fact, you __________ in person. You can contact us by phone next time.
A.didn’t need to come | B.needn’t come |
C.needn’t have come | D.don’t need come |
Aluminum isn’t found free in nature, owing to its always ____ with other elements, most commonly with oxygen.
A.being combined | B.having combined |
C.combine | D.combined |
Being tall gives Yao Ming a(n) _______ over other basketball players.
A.advantage | B.benefit | C.advance | D.profit |
Nowadays, many people walk to work ____Copenhagen Conference calling for living a low-carbon lifestyle to cope with global warming.
A.in relation to | B.in response to | C.in addition to | D.in opposition to |
After suffering a heart attack, Michael Jackson was pronounced dead, ___ a tragic end to the world’s most popular entertainer.
A.having marked | B.to mark | C.marked | D.marking |