Many scientists have believed that there may be a _________of life on the Mar.
#5631
A
mark
B
signal
C
sigh
D
sign
推荐题目
Unfortunately the restaurant he recommended fell far short of our _______. 
#7262
A
expectations
B
advantages
C
opportunities
D
contributions
The two men are______.
#7364
A
of the same age
B
same age
C
an age
D
of same age
The head office of the bank is in Beijing, but it has ___ all over the country. 
#5634
A
companies
B
branches
C
organizations
D
businesses