____ surprised me most was ______ they had finished it so quickly.
A.What, what |
B.That, that |
C.What, that |
D.That, what |
Maria has to baby-sit. That’s______ she can't come with us.
A.why |
B.ho |
C.when |
D.what |
--- I rang you at about ten, but there was no reply.
--- Oh, that was probably ____ I was seeing the doctor.
A.when |
B.why |
C.what |
D.that |
This old computer must have been of great use to _______ did the scientific research.
A.those |
B.when |
C.whoever |
D.whomever |
--- Do you know _____ Mr. Black’s address is.
--- He may live at No. 18 or No. 19 of Bridge Street. I'm not sure of _____.
A.what; which |
B.where; which |
C.where ; what |
D.what; where |
--- Do you know him?
--- Yes, but I can’t remember ________I met him for the first time.
A. where B. what C that D. if