答案:B
With a large amount of work _________,the chief couldn’t spare time for a holiday.
A.remained being done
B.remaining to do
C.remained to be done
D.remaining to be done
正常卵子与精于会合的场所是()。
A.输卵管
B.腹腔
C.子宫腔
D.子宫颈
E. * *