This is __________ ruler. That’s __________ eraser.A. a, a B. an, an C. a, an
—There is ______ with my leg. —Don’t worry. Let me help you.A. nothing wrong B. something wrong C. wrong something
—Do you have this kind of MP5? —Sorry, we ______ yesterday. You can come next week.A. tried them on B. took them off C. sold them out
—______ do you water the plants, Miss Yang? —Twice a day.A. How much B. How soon C. How often
—Please remember ______ the lights when you leave the room. —OK, I will.A. turn off B. to turn off C. turning off
—Your English is pretty good! How about ______ some advice to me? —With pleasure.A. give B. gives C. giving