The doctor worked ______ five hours ______ a rest.
A. for; with
B. on;without
C. about;having
D. for;without
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I was very surprised ______ seeing him there.
A. to
B. in
C. at
D. by
Mr.Brown had lain _____ the ground ______ four hours before they finally found him.
A. on; for
B. at; in
C. on; after
D. in; during
We didn't go to bed ______ our mother returned.
A. until
B. by
C. during
D. while
There are many trees _____ of the road! And _____ of the trees is growing larger and larger.
A. on both side; a number
B. on each sides; a number
C. on both sides; the number
D. on either sides; the number
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