He was busy writing a story , only _______ once in a while to smoke a cigarette.
#94052
A
to stop
B
stopping
C
to have stopped
D
having stopped
推荐题目
(2013·济南模拟)I found Jane________at the desk，________her homework carefully.
#88432
A
seated；doing
B
sitting；does
C
be seated；does
D
sit；do
------ English has a large vocabulary, hasn’t it?------Yes.____more words and expressions and you will find it easier to read and communicate.
#96695
A
To know
B
Knowing
C
Know
D
Known
____________, I’d like to say how much I’ve enjoyed staying in your beautiful country.
#91565
A
To include
B
As conclusion
C
To conclude
D
In the conclusion