1.We can use a short-ware radio to ( A.pick up )VOA English programmes.
B.pick out 挑选
C.take up 学习语言（如take up foreign language ）
D.join up 参军,入伍
pick up
1.拾起 The boy picked up the hat for the old man.
2.收拾 You should pick up the tools after work.
3.学到;获得 He was picking up the skills quickly.
2.I thought I was going to fail the exam,but I succeeded(D.after all 表转折 ).
A.first at all 最初
B.in all 总共
C.at all (否定句)丝毫;根本
3.Often he ( C.could)sit for hours doing nothing at all when he was in low spirits.
A.should B.would D.might
原因：情态动词搭配
4.It is quite( )that we can find ( ) answers to these difficult quesions.D.possible;possible
A.possibly;possible B.possible;possibly C.possibly;possibly
possibly副词
possible形容词
5.He ( )to get to the top of he hill after ( )several times.C.managed;trying
managed to do试着作（成功）
tried to do 试着做（不成功）
6.His sister is known ()a famous singer and ( )many popular songs.,which everyone knows.B.as;fo
be knownas：作为．．．而闻名
be known for：因为．．．而闻名
be known to：为．．．所知
7.They will set out (A.to )America next month.
set out to 出发,开始,启程