40.I knocked on his door but nobody came to answer it.

A. 　like

B. 　with

C. 　to

D. 　as

A. 　spent

B. 　paid

C. 　cost

D. 　took

A. 　Oh, no. That's OK!

B. 　How do you like it?

C. 　Which do you prefer?

D. 　Would you like to try it on?

A. 　work

B. 　help

C. 　make

D. 　affect

A. 　Thanks all the same.

B. 　Thanks for calling.

C. 　Not too bad.

D. 　Don't mention it.

A. 　It doesn't matter.

B. 　It's a pleasure.

C. 　It's a small thing.

D. 　I'll appreciate it.

A. 　am

B. 　are

C. 　were

D. 　is