题目内容
（请给出正确答案）
A.inside the earth
B.inside earth
C.inside an earth
D.on earth
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更多“It has long been known that th…”相关的问题
A.may not,must
B.must,may not
C.can't must
D.must can't
B.Being ill
C.He was ill
D.Though he was ill
B.having been separated
C.having separated
D.had been separated
B.Not too much
C.Yes, only little
D.No, Only yesterday
A、smelled
B、smelled of
C、was smelling
D、smelling
-__ have been in this city？ - For about two weeks
A. How often
B. How long
C. How soon
D. What time
_nation.
A. a; the
B. a; a
C. the; a
D. the; X
A.does it bother
B.was it bothering
C.would it bother
D.has it been bothering
