—Could I ride an electric bicycle to school, Mr. Wang?
—No, you      .Students under the age of 16 aren’t allowed to ride electric bicycles.

—       I park my car here for a while?
—No, you mustn’t. Do you see the sign “NO PARKING”?

—Someone is knocking at the door, is it Tom?
—It      him. He has gone to Beijing.

—Do you know whose book this is?
—It       Lucy’s. look! Her name is on the book cover.

—This new car        belong to Mr. Wang. He bought a new car last week.
—It       be his. He drove his car to Kaifeng to taste the local snacks five minutes ago.

—If you have an idea where my keys      , please call me.
—OK. I’ll do it as soon as I can.

你最好不要在电脑游戏上花许多时间。
You ____ ____ ____ ____much ____ (in) playing computer games.

—It’s the office! So you         know eating is not allowed here.
—Oh, sorry.

Mr. White        at 8:30 for the meeting, but he didn’t show up.

—You       park here! Look at the sign, it says “No parking”.
—Sorry, I didn’t notice that sign just now.