The harder you work,__________.

A. is feeling B. felt

C. feels D. is felt

A. can B. must

C. might D. may

A. serve

B. servers

C. is served

D. are served

A. which you work

B. in which you work

C. for which you work

D. where you work in

A. No, I'll be very busy

B. Yes, I'll be glad

C. Certainly, I'll be sorry

D. Certainly, I'll be glad to

A. his B. your

C. their D. one's

A. You speak

B. That's it

C. It’s up to you

D. You got it

A. While B. Once

C. Though D. Unless

A. ought to come B. mostly

C. almost D. possibly

A. nearly B. mostly

C. almost D. possibly