If you haven’t a compass, use the star to you.
A. tell
B. remind
C. guide
D. show
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Though a foreigner, she___________ a good knowledge of China.
A. acquires
B. knows
C. understands
D. has
Most of our earth covered by water.
A. are
B. is
C. was
D. were
The population of the world still now.
A. has; grown
B. will; grow
C. is; growing
D. is; grown
Our class big.
A. is
B. are
C. were
D. will