You_________return the book now. You can keep it till next week if you like.
| A．needn’t | B．mustn’t | C．couldn’t | D．ought to |
– Let’s go skating, shall we?
--That’s not a good idea; the ice is too thin _____ your weight.
| A．to bear | B．bearing | C．bore | D．born |
–Where do these books _____?
--Put them back _____they were.
| A．go; where | B．lay; where | C．lie; in which | D．lie; which |
After a long time for many years, he is now _____.
| A．sickness for his home | B．sicking for his home |
| C．illness for his home | D．sick for his home |
–Don’t you think it a very nice motorbike?
--Yes, but would you please ____ it on my lawn?
| A．not to park | B．not parking | C．not park | D．to not park |
-- _____is that used for?
---_____ the floor.
| A．Why; To cleaning | B．What; Cleaning | C．Why; To clean | D．What; clean |