We didn't go to bed ______ our mother returned.
A. until
B. by
C. during
D. while
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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
Jiangsu is _____ the east of China, but Japan is ______ the east of China.
A. to;in
B. in; to
C. on; to
D. to; on
-Can I look up a word _____ your dictionary? -I haven't got _____ me.
A. into; about
B. in; with
C. at; in
D. on; on
When you are _____ trouble, please ask help _____ us.
A. in; for
B. in; from
C. on; from
D. on; of