1.To answer correctly is more important than( ).
A. answered quickly B. a quick answer
C. quickly answered D. to answer quickly
2.It ( ) until dark that he realized that it was too late to return home.
A. is B. wasn’t
C. weren’t D. were
3.Do you remember ( ) Tom about this before?
A. to telling B. telling
C. to have told D. tell
4.Look, ( ).
A. there he goes B. there goes he
C. he goes there D. he there goes