1．Our foreign trade has ________ (扩大) during recent years.
答案：expanded
2．The average _________ (产量) of the factory is 60 cars a day.
答案：output
3．The children got ________ (晒黑的) from a day on the beach.
答案：sunburnt/sunburned
4．He was injured and ________ (因此) unable to play.
答案：therefore
5．She is old enough to have the ________ (自由) to do what she likes.
答案：freedom
6．The main c________ is wheat and it is grown even on the very steep slopes.
答案：crop
7．Now, as a s________ star, he isn't selfsatisfied at all.
答案：super
8．In the b________ to retake the village, over 100 soldiers were killed.
答案：battle
9．A d________ later, the company has gone from strength to strength.
答案：decade
