A. @的意思是“电脑”，读作“a外一个圈”。

B. @的意思是“邮箱”，读作“圈内一个a”。

C. @的意思是“为”，读音与介词for相同。

D. @的意思是“在”，读音与介词at相同。

A. of; learning B. for; to learn C. of; to learn

【题目】The house the capitalist used to live in is now a nursery.
A.that
B.where
C.what
D.when

【题目】This was the supermarket I bought this kind of tin.
A.where
B.that
C.who
D.which

A. by B. on C. in D. at

A. red

B. white

C. black

D. green

A. was, was B. were, were C. was, were D. were, was

A. is B. has C. be D. have

A．Drink to B．To drink to

C．If you drink D．If drink to

A．call B．calling

C．called D．to call