I'll go to the library as soon as I finish what I ________.
#105315
A
was doing
B
am doing
C
have done
D
had been doing
推荐题目
 Britain is being ________ in the race for new markets.
#105311
A
left alone
B
left out
C
left behind
D
left over
—What's that noise?—Oh,I forgot to tell you.The new machine ________.
#105313
A
was tested
B
will be tested
C
is being tested
D
has been tested