挡板支护坑壁的基坑开挖的正确的做法是()。

You should take more physical . Don' t always sit at the desk doing your ______.

A．exercise, exercises

B．exercise, exercise

C．exercise, exercise

D．exercises, exercises

You should do out to take more ______. Don't always sit at the desk doing your.

A．exercise, exercises

B．exercises, exercise

C．exercises, exercises

D．exercise, exercise

You should take more physical ______ . Don't always sit at the desk doing your

A．exercise, exercises

B．exercise, exercise

C．exercise, exercise

D．exercises, exercises

I don't like to sit______ his left; I prefer to sit the front now.

A．in, on

B．on, in

C．on, at

D．at, on

Don't be late. I hate to be waiting for a long time.

A．being keeping

B．be kept

C．to be kept

D．be keeping

Don't be late.I hate______waiting for a long time.

A．being keeping

B．be kept

C．to be kept

D．be keeping

A. I'm leaving

B. Thank you

C. I'll do my best

D. and sit here

E. Please sit down

F. But I worry about

G. Take it easy

H. Don't forget

A. I'm leaving

B. Thank you

C. I'll do my best

D. and sit here

E. Please sit down

F. But I worry about

G. Take it easy

H. Don't forget