The stone was so heavy that it was difficult for the old man to____ it.( )

A.that

B.as

C.as if

D.like

A.from you to

B.by you to

C.of you to

D.you

A.reading

B.read

C.having read

D.being read

A. frequently

B. little

C. regularly

D. rarely

A. and

B. that

C. for which

D. in fact

A. for

B. since

C. during

D. while

A. had they known

B. have they known

C. would they know

D. did they know

A .in

B. that

C. which

D. the

A. got over

B. came through

C. went over

D. got through

A .course

B. causes

C. create

D. rise