Mark needs to learn Chinese _______his company is opening a branch in Beijing.

The Russian rocket designer has diedFor many years, he ______ as an important assistant to the father of Soviet space program

My brother saw a wallet _______ on the road and turned it to the policeman.

30Many of the creatures in the movie “Avatar” are not real, but much of __________ happens is attractive

I don’t your ideaof sending your daughter to Britain to study, because she is too young to takecare of herself.