题目内容
5. The North Sea has been an important centre for oil (explore) .
5. exploration
4. The economic problems of one country often (对……有很大影响) the whole world.
5. 直到他摘下太阳镜，我才认出了他。
Not until he took off his sunglasses him.
3. The first man (set) foot on the moon was Armstrong.
6. Wild tribes still (居住) part of thePhilippines.
5. 尽管老师详细地讲解了这个问题，但他还是不理解。
Although the teacher explained the problem ,he still failed to understand.
10. It took me thirty minutes (walk) home yesterday.
10. The new factory will offer (employ) .
6. I decided (turn) to my teacher for help because this question was beyond me.
