1、题目75:--Do you need more time to complete the task? --Yes.Another ten days () enough.

A. 　hopefully

B. 　suddenly

C. 　usually

D. 　luckily

A. 　0∈A

B. 　3/4∈A

C. 　{0}包含于A

D. 　-π∈A

A. 　When

B. 　Where

C. 　How

D. 　Which

A. 　clean

B. 　cleaned

C. 　have cleaned

D. 　am cleaning

A. 　waited for

B. 　handed in

C. 　agreed with

D. 　knocked at

A. 　told

B. 　is told

C. 　will tell

D. 　was going to tell

A. 　on

B. 　beyond

C. 　in

D. 　at

A. 　how they are playing

B. 　what they are doing

C. 　where they are going

D. 　why they are practicing

A. 　may

B. 　must

C. 　will

D. 　can

A. 　What

B. 　What a

C. 　What an

D. 　How