— 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
I am a League Member. I volunteer my time _____ others.
A．help B．to help C．helping D．helped
