1、（填空题） 2.My suggestion is that we (send)______a few people to help the other groups.

2、（填空题） 6.Do you know the (high)______of St.Paul’s Cathedral.

3、（填空题） 1.We started the attack when the enemy (cross)______ the river.

4、（填空题） 3.I am sorry to learn that you have made no (improve)______on the design at all.

5、（填空题） 4.I prefer (live)_____ in the country rather than in a city.

6、（填空题） 题目在图片中，请按图片题目答题！

7、（填空题） 5.We had difficulty (carry)_____ out the plan.