单项选择题

—What are you doing
—I'm ______ the piano.

[A] exercising
[B] practising
[C] training

<上一题目录下一题>

热门试题

单项选择题

Since I began to work here three years ago, this factory ______ in size.

[A] had doubled
[B] has doubled
[C] doubled

单项选择题

If sweets ______ bad for the teeth, I will stop eating them.

[A] are
[B] were
[C] will be

相关试题