20.  ________of both sides, the two companies decided to _______ to become more competitive in the global market.

13. In common ______ other boys of his age, my young son is looking forward to _______ the permission to date.

A． to; be given

B．with; being given

C．like; being given

D．as; be given

2.   _______ of their ancestors who made their living by hunting, the grown-ups ______up as hunters and the children as different animals.

30．It is reported that there will be a heavy rain tomorrow; _____ the hike would be put off．

The European Parliament has some control ______ what happens in each of the member countries.

China came up to the sixth place in the world _____ economic aggregate(经济总量)。

28.The comedy Tooth Fairy is based on the story all western children know: If a kid leaves a tooth under their pillow, they’ll receive a visit from the tooth fairy, who takes the tooth and leaves a gift ________.

23. A salty diet may increase the risk of stomach cancer ________ 10 percent, South Korean researchers found in a study of more than 2 million people.

23．Mike must be angry with me, for he walked________me without even saying hello.

22． Today，_____rapid transportation and communication, the whole word seems to be smaller．
A．regardless of         B．in spite of          C．instead of        D because of