John promised his doctor he ________not smoke，and he has never smoked ever since.
#101399
A
might
B
should
C
could
D
would
推荐题目
---Where are your parents? ---They are in the kitchen, they ______the dinner for the party the whole day.
#100575
A
are preparing
B
have been prepared
C
have been preparing
D
were preparing
There is no need to leave a tip in Canada. Service ________ in the bill.
#99259
A
included
B
is included
C
includes
D
was included
---If the shop _____ soon, we won’t buy this kind of shoes. Shall we go shopping this afternoon? ---OK, can’t agree more.
#101635
A
has closed down
B
is closing down
C
closed down
D
will close down
Although the causes of cancer_____, we do not yet have any practical way to prevent it.
#104936
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered
—It is the first time that I ________ here in Hong Kong.—What great changes！It’s ten years since I ________here last time.
#102553
A
have been；came
B
have been；have come
C
am；came
D
was；have been