1.He did not arrive until the meeting was nearly over,for the simple reason that he ____asleep while watching television

1.He did not arrive until the meeting was nearly over,for the simple reason that he ____asleep while watching television.
A.had fallen B.has fallen C.fell D.was falling
为什么选C不选A
2.The committee ________over the problem among themselves for two hours.
A.has argued B.has been arguing C is to argue D.have been arguing
为什么选D
3.This company was the first ______ portable radios as well as cassette tape recorders in the world.
A.producing B.to produce C having produced D produced
为什么选B
4.It is said that the worst drought in the century is drawing ______drinkable water is left.
A.little B.what little C.a little D.how little
为什么选B不选D
5 If global warming causes sea levels _______ over the coming decades,half of the island will be underwater anyway.
A.rise B.risen C.to rise D.rising
为什么选C
6.There are a dozen doctors working in the operating room,_________needed for a typical brain operation.
A.twice of the number B.twice the number
C.twice as the number D.twice a number of.
为什么选B不选A
7.________ doesn’t seem to have been any difficulty solving the problem.
A.It B.He C.There D.That
为什么选C不选B
8.________these countries benefit from natural resources,they do not rely on these resources for their long-term economic future.
A.When B.As C.While D.Since
为什么选C不选B
9.The foreign minister said,“___our hope that the two sides will work towards peace.”
A.This is B.There is C.That is D.It is
为什么选B不选D
10.The home improvements have taken what little there is ___ my spare time.
A.from B.in C.of D.at
第十题为什么选C不选B