一、在我们英语语法学习总，情态动词是我们在英语句子中经常用到的，情态动词（Modal verbs）本身有一定的词义，表示语气的单词。但是不能独立作谓语，只能和动词原形一起构成谓语。情态动词用在行为动词前，表示说话人对这一动作或状态的看法或主观设想。情态动词虽然数量不多，但用途广泛，主要有下列： ca...
11. I knew I shouldn’t accept anything from such a person, but I found it difficult to turn down his _____.A. offer B. suggestion C. request D. plan12...
51.Eggs, though nourishing, have ______ of fat content. a. large number b. a large number c. a high amount d. the high amount 52.He ha...
31.Generally there are ______ television programs for children on Saturday. a.little b. much c. a large number of d. a large amount of 32.Whe...
1. Agriculture is the country's chief source of wealth, wheat ____ by far the biggest cereal crop. A. is B. been C. be D. being 2. Jack __...
1______ such heavy pollution already，it may now be too late to clean up the river． A．Having suffered B．Suffering C．To suffer D．Suffered2 The...
题目： 51.What you said just now______to do with the matter we are discussing. A.have something B.has something C.had something D.was something 52...
题目：41.Either of the plans ______equally dangerous.A.are B.is C.has D.have42.The police ______the murderer everywhere when he suddenly appeared in...
题目：31.Three-fourths of the homework ______today.A. has finished B. has been finished C. have finished D. have been finished32.More than 60 percent of ...
题目：21.There ______ no life on the moon.A. is said to have B. are said to have C. is said to be D. are said to be22.A group of ______ are eat...