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
5.―Have you handed in your schoolwork yet? ―Yes，I have. I guess it ____ now.
#105340
A
has graded
B
is graded
C
is being graded
D
is grading
7.Although the causes of cancer ____， we do not yet have any practical way to prevent it.
#105343
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
—Sorry, I didn't catch you.—Be quiet, please; the baby ________.
#105309
A
was sleeping
B
is sleeping
C
slept
D
has slept
—Believe it or not! I should get my lost wallet back after I left it in the taxi this morning.—Couldn’t agree more! You know, someone _______ it. There are still good persons in Chongqing.
#105322
A
can have taken
B
might have taken
C
should have taken
D
must have taken
Britain is being ________ in the race for new markets.
#105311
A
left alone
B
left out
C
left behind
D
left over