The college students must study hard to      a good knowledge of advanced information technology.
#70083
A
take
B
catch
C
hold
D
acquire
推荐题目
If you       these mark, you will get a total of 90.
#68684
A
add
B
add to
C
add up
D
add up to
In order to meet the demands they had to________production.
#69778
A
fasten up   
B
rise up
C
speed up   
D
go up
At the party, you oughtn’t to_____the joke. Didn’t you see the hostess was a bit______?
#83513
A
have told;embarrassed
B
have told;embarrassing
C
tell; embarrassed
D
be telling;embarrassing