I could hear him _____ to and fro in the next room.

A. had touched B. touched C. touches D. touch

A. to think it over B. to think over it C. think it over D. of think

A. to B. please C. will D. would

A. stand B. stood C. standing D. to stand

A. to visit B. to be visiting C. in visiting D. on visiting

A. to say B. saying C. said D. say

A. living in B. lived in C. to live in D. to live

 A. who B. whom

C. which D. as

A. what B. is that

C. that D. of

A. which B. that

C. while D. when