--Who helped you clean the classroom yesterday?
-- . I cleaned it all by myself.
A. Somebody B. Nobody C. Everybody
— Kate! Let’s go to work right now. We’ll be late.
— _____. We still have 20 minutes left.
A.Take it easy | B.Not at all | C.That’ s all right | D.You’re welcome |
She is often seen ______ the old woman.
A.help | B.helping | C.to help | D.help to |
_____ this way, you can work out the math problem.
A.Of | B.By | C.On | D.In |
All the information _____ writing the report.
A.is used for | B.is used to | C.is used as | D.is used by |
The police found the lost car _____.
A.by mistake | B.by accident | C.with mistake | D.in accident |