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[判断题]
There are thousands of medicinal substances currently in use, just including plants and
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更多“There are thousands of medicin…”相关的问题
A.thousand of
B.thousands of
C.thousand
D.thousands
Silk()by Chinese for thousands of years now.
A. has used
B. has been used
C. was used
D. is used
A.literally
B.eventually
C.slightly
D.namely
此题为判断题(对，错)。
Every year thousands of lives （) in road accidents because of careless driving.
A.lose
B.lost
C.have lost
D.are lost
A.are producing
B.have produced
C.are being produced
D.have been produced
housands of runners participate every year.
A)Therefore B)Furthermore C)Accordingly D)Nevertheless
A.ready
B.handy
C.affordable
D.available
