1 . Scientists are still searching ________ a cure for the common disease. （用适当的词填空）

2 . For Chinese people, there are a ________(various) of activities to celebrate the traditional festivals. （所给词的适当形式填空）

3 . Most teachers are greatly concerned ___ the growth of their students.

4 . With the help of kind people, she gradually recoverd __ her terrible mood and began to look for happiness.

5 . Word came that the famous film star Chen Daoming was to _______ a new film.

A．star in	B．star
C．be starred	D．starring in