“Where（） the recorder? I can’t see it anywhere.” “I（） it right here. But now it’s gone.”
(A)did you put; have put
(B)have you put; put
(C)had you put; was putting
(D)were you putting; have put
The Correct Answer
I don’t think（） possible to master a foreign language without much memory work.
（A）this
（B）that
（C）its
（D）it
Correct Answer: D
Not only（） the data fed into it, but it can also analyze them.
（A）can the computer memorize
（B）the computer can memorize
（C）do the computer memorize
（D）can memorize the computer
Correct Answer: A
Only when you have acquired a good knowledge of grammar（） write correctly.
（A）can you
（B）will you
（C）you can
（D）can’t you
Correct Answer: A