It is no use _________ to persuade him ________ smoking because he has been addicted to it since he was young. 
#95554
A
trying, to quit
B
to try, to quit
C
to try, quit
D
trying, quit
推荐题目
We don’t allow ____ in the office. But you are allowed ______ in the open air. 
#96186
A
smoking; smoking
B
to smoke; to smoke
C
smoking; to smoke
D
smoke; smoking
 Sandstorms in Asia seem _____ in recent years as a result of desertification.
#93442
A
to increase
B
to have increased
C
having increased
D
increasing
The teacher asked us ________ in our reports before class.
#89775
A
hand
B
to hands
C
handed  
D
to hand