1 . Most of their musical instruments are really just sticks found on the ground, ________.
他们大多数的乐器其实就是地上捡的棍子，但在这些乐器中，有一种叫“迪吉里杜管”的神奇乐器。

3 . In 1963 the UN set up the World Food Program, one of_________purposes is to relieve worldwide starvation.（用适当的词填空）

4 . The course normally attracts about 100 students per year, up to half will be from abroad.

A．who	B．of which
C．when	D．of whom

5 . She was disappointed that her elder daughter, _____ she had placed the greatest trust, failed to match her expectations.

A．in which	B．with which
C．with whom	D．in whom

6 . In 1963 the UN set up the World Food Program, one of ________ purposes is to relieve worldwide starvation.

A．which	B．it’s
C．whose	D．whom

7 . He may win the competition, he is likely to get into the national team.

A．in which case

B．in that case

C．in what case

D．in whose case