only to do还是only doing

欢迎做题，完成后自动打分并提供解析。

Q1:Bob checked the equipment thoroughly, only ______ the power was not set.

A. find

B. found

C. finding

D. to find

Q2:上题有两个动词checked和was，那么就有一个从句，引导词已经省略，引导词应该是？

what

which

that

this

Q3:—I am learning the piano. How can I learn it well?—______ the traditional first before trying the modern.

A. Master

B. Mastering

C. Mastered

D. To master

only to do还是only doing

关于

1年前

更新

0

频次

3

题目数

分享