.Elephants, which are the largest mammals on the earth, have almost no natural enemies ______ human beings.
A.rather than | B.other than | C.more than | D.less than |
____ to America, her parents have not heard from her.
A.Because she went | B.After she went | C.When she went | D.Since she went |
It looks ____ it's going tosnow.
A.that | B.as | C.as if | D.like that |
The size of the audience,____ is expected, is more than thirty thousand.
A.as | B.what | C.that | D.whom |
John did the task____ his sister.
A.as good as | B.as better as | C.as well as | D.as best as |
_____ he had not been ill , Tom would have won the race.
A.Unless | B.As | C.If | D.Until |