问题
The CD-Rom helps you learn English_________ your knowledge of English grammar and vocabulary.[ ]
A: to test
B: by testing
C: test
D:with test
B: by testing
C: test
D:with test
正确答案是：
同类题型
There are two pictures _____ the wall _____ my classroom. [ ]
Where are the Greens, may I ask? —Well, they _____ to England. They will come back in a week.
Inthepast few years,thousandsoffilms all overtheworld.
did it start?’ —About 3 days ago. [ ]
Were all the toys for the children carried to their kindergarten?—-No,____ only some of them.