---Millie was invited to the party .How lucky!
---Well, she not come. She is not sure whether her mother will allow her to.
| A．might | B．would | C．must | D．need |
---_____ have you studied English? --- Since I was six.
| A．How often | B．When | C．How long | D．What time |
— 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 |