Exercise1A) 选择填空。( )1. If he denied ____ with you, no one could help you.A. go B. went C. going D. to go ( )2. Be careful with the vase. He purchased it ____ 200, 000 yuan.A. at B. for C. from D. on( )3. Three men ____ my house and stole some money when I wasn’t in.A. broke down B. broke into C. knocked on D. dealt with ( )4. — Let’s go hiking ____ staying at home, shall we? — A good idea.A. as well as B. in order toC. instead of D. as wellB) 用所给单词的适当形式填空。5. My ______ are mainly based on three years’ study of those animals. (conclude) 6. The boy admitted ______ the window with a stone. (break)Grammar·语法课堂跟踪练习A) 用所给动词的正确形式填空。1. He decided ______ (invite) us to his birthday party.2. Mrs Green found a job ______ (work) in a hospital.3. Let us watch them ______ (play) football on the playground.4. His plan is ______ (visit) Canada this summer.5. Could you ask him _______ (call) me, please?6. Simon went ______ (help) Amy with her maths.7. It is impossible ______ (complete) so much work in a day.8. The students are discussing whom ______ (choose) as their monitor. 9. He wears small, round glasses and they make him ______ (look) smart.10. Many buses go to the beach. It is difficult to decide which ______ (take).B) 用动词不定式合并句子。1. He went to England. He wanted to learn English.___________________________2. The robber took out a knife. He wanted to frighten the traveller.___________________________3. I tell the truth. I am not afraid of it.___________________________4. He wants to be a millionaire. He works hard for that reason.___________________________5. He has three children. He must look after them.___________________________6. He collects o...