Choose the letter A, B, C or D to indicate the underlined part that needs correction.

Question 21. Although it is a problem only in Britain at the moment, I think it is going to affect the rest of the Europe soon.

A.  Although

B. is going to affect

C. the rest of

D. is

Question 22. Our parents needn’t ask us tidying up our rooms. We do it every day.

A.  tidying up

B. Our

C. ask

D. it