A. 实意动词 B. 助动词 C. 情态动词 D. 系动词The owner can’t be a boy. Everyone has his or her own ideas.
The tiger is now in danger of disappearing. So more attention ____ to protecting the tiger.
-Would you care for a cup of tea?--I one. Thank you all the same.
--Peter _____ all night and made the TV set work.--Oh, he is an able boy!
--My son coughed badly last night. What can I do?--You ____ worry so much about it. Drinking more water will help.
–What about going to the movie tonight, Alan?--Sorry, I am busy ____ a report. ______, it is raining cats and dogs.