1 . I’m writing to express my sincere thanks to you for your help.(同义句转换)
→I would like to__________________________ to you for your assistance.

2 . Everyone of us should have a dream that we should study hard to ______ (strength) our homeland. (所给词的适当形式填空)

3 . Thomas, a 3-year-old little boy, tried all his best to ________ (推开) the door open to save his mother trapped in the room.（根据汉语提示单词拼写）

4 . The police made a sign ______ me ________ (stop) the car. (所给词的适当形式填空)

5 . China needed its own powerful air force to protect and ________(防卫；保卫) themselves against knife attacks. (根据汉语提示单词拼写)

6 . To t________ (解决) this crisis, he chose to study agriculture and received an education at Southwest Agricultural College in Chongqing.(根据中英文提示填空)

8 . To make yourself ________ (strength), you’d better do exercise regularly to ________ (strength) your muscles. (所给词的适当形式填空)

9 . _______ (catch) the train, we’d better hurry to the station by taxi. (所给词的适当形式填空)

10 . It was built originally ________ (protect) the city in the Tang dynasty and has now been completely restored.(所给词的适当形式填空)