We're talking about the pianist ______ will visit our school next week.

A. which
B. who
C. whom
D. that

It will take _____ hour and _____half to finish______ work.

A. an, a, the
B. a, a, the
C. an, a, /
D. a, an, the

This is the same girl _____ came to borrow an English book two days ago.

A. who
B. which
C. what
D. that

Tom's sister is the girl ______ an English song in the next room .

A. who is singing
B. is singing
C. was singing
D. singing

This is _____ useful book. I've read it for _____ hour.

A. an, /
B. an, an
C. a, an
D. an, the

The teacher told his classlight travels faster than sound.