课时作业(十八) [必修4 Unit 3 A taste of English humour]
(限时：35分钟)
Ⅰ.单项填空
1．On the bank of the river，we found him________on a bench，with his eyes________on a kite in the sky.
A．seated; fixing B．sitting; fixing
C．seated; being fixed D．sitting; fixed
2．We sat in silence，________to be together.
A．being content B．contenting
C．content D．contented
3．Scientists are convinced________the positive effect of laughter ________physical and mental health.
A．of; at B．by; in
C．of; on D．on; at
4．It is a great concern that the school is now ________for experienced teachers.
A．badly in need B．badly off
C．better off D．struggling
