—Has your father returned from Europe yet?—Yes, but he ______ here for only three days before his company sent him to America.
#100719
A
was
B
has been
C
will be
D
would be
推荐题目
29. If city noises____from increasing, people___shout to be heard even at the dinner table 20 years from now.
#103910
A
are not kept; will have to  
B
are not kept; have to
C
do not kept; will have to  
D
do not kept; have to
The new method Mr.Wang has been devoted to _____ effective.
#101806
A
is proved
B
to prove
C
being proved
D
proves