takes me several hours my tasks. Because they are too difficult.
#92076
A
It , to finish
B
That, to finish
C
It ,finishes
D
It ,finishing
推荐题目
The E-mail Jack had looked forward to ______ last night at last and he was very happy.
#92912
A
arrived
B
arriving
C
had arrived
D
arrived
Do you think ______ important _______ us to learn a foreign language?
#94745
A
that; of
B
it; for
C
this; is
D
that; for
---I have booked my ticket back to Washington. My flight leaves at 9:00 tomorrow morning.---_______.
#94146
A
Is that so?
B
How wonderful!
C
Have a good trip.
D
Well, goodbye.
Although Fleming discovered Penicillin, it was over a decade ______ someone else turned it into the great drug of the 20th century.
#92265
A
before
B
since
C
when
D
as
Some scientists believe that is no doubt a cure for AIDS will be found.
#93048
A
it; that
B
it; whether
C
there; that
D
there; whether