英语选修7人教新课标unit 3 之s-ⅱ同步练习及答案
unit 3 section ⅱ
ⅰ.用括号里所给动词的适当形式填空
1．________________(tell)many times, he still couldn't understand what the professor said.
2．i think the dictionary published this year is worthy of ________________(buy)．
3．________________(expose) to sunlight for too much time will do harm to one's skin.
4．the foreign
