Chinese vessels ________ 646,000 square kilometers in the southern Indian Ocean in search of the missing Malaysian flight MH370.
#64120
A
have covered
B
have looked
C
has travelled
D
had searched
推荐题目
Mary’s birthday ________ on a Sunday this year.   
#71348
A
finds
B
falls
C
forecasts
D
founds
Now in the market there are too many oranges, making the prices down, so I suggest _____.
#82657
A
you’d better turn to do other business
B
you would rather turn to other business
C
you turning to doing other business="your" turning to doing
D
you ought to turn to selling other fruits