There are 40 students in our class，who come from a ________of backgrounds.
#5851
A
variety
B
mixture
C
extension
D
combination
推荐题目
Lin Dan won the first prize in the Beijing Olympics, which helped him gain the ____ of the world.
#5413
A
congratulation
B
appreciation
C
admiration
D
administration
The advice is of great ________ to our work. We all think it ________.
#6473
A
uses, good
B
useless, bad
C
use, good
D
useful, fine
Our manager made a special to discuss our progress in sales once a week.
#5249
A
collection
B
attraction
C
arrangement
D
conclusion
His name is on the _______ of my tongue, but I just couldn’t remember it.
#6877
A
tip
B
top
C
side
D
end