He spent two hours ______ his homework last night.
—Would you like tea? —Yes, and milk, too, please.
–What can I do for you, Madam? –I’d like ________, please.
----Could I use your dictionary? ----Yes, you______. A can B could C need D should
Tom can’t ______ it in Chinese because he can’t ______ Chinese. Can he _____you the story in English?
--- Let's go swimming, Millie. --- Sorry, I have ______ homework to do.