In addition to the farming they ______ since the 1990s, the Smiths have started a small business.
#100365
A
have done
B
had been done
C
were doing
D
have been doing
推荐题目
The doctor suggested he ________with a serious disease and that he ________to hospital at once.
#101899
A
be infected；be sent
B
was infected；be sent
C
should be infected；was sent
D
be infected；was sent
—How can I apply for an online course?—Just fill out this form and we _______ what we can do for you.
#104078
A
see
B
are seeing
C
have seen
D
will see
(2013·高考天津卷)The water supply has been cut off temporarily because the workers ________ one of the main pipes.
#99708
A
had repaired
B
have repaired
C
repaired
D
are repairing
An average of 130000 Chinese _________ abroad for studies every year over the past few years, boosting exchanges in the educational fields
#101609
A
was going
B
have been going
C
has been going
D
are going
If you _________ reading that book, take it back to the library.
#100473
A
have finished
B
will finish
C
finished
D
are finishing