.—It’s nice of you to help me with my homework. — ___________.
A. It’s right B. It doesn’t matter C. Thank you D. It’s my pleasure
I ________ my homework while my parents ________ TV at 9 last night.
A. did; have watched B. had done; were watching
C. was doing; were watching D. would do; were watching
She is a polite and fair person. She loves peace and does not like to ______ others.
A. give up B. argue with C. play with D. look after
— What would you like to drink?
— It doesn’t matter. ______ will do.
A. Nothing
B. None 
C.
Something D. Anything
They learned it all by themselves. That is to say nobody told them ________ .
A. what to do it B. how to do it C. where to do D. when to do
--- Are there ___________ students in your school?
--- Yes, _____________ the students is about 2000.
A. a number of; a number of B. the number of; the number
C. a number of; the number of D. the number of; a number of
