He must have gone out. I heard the noise of the door ______when I was still in bed.

We agreed ____ here but so far she hasn’t turned up yet .

_____ the youth ____ the rising sun at 8 or 9 o’clock at a.m., Mao Zedong expressed his great hope for the young men.

The traffic rule says young children under the age of five and _______ less than 25 kilograms must be in a child safety seat.

Don't just wait      ．You should try to seek for information you need.

–Where is Li Ping? –He’s _____ the library.

The farmers thought of ways ________ their trees.

____by one of his fellow soldiers，the wounded man walked slowly across the field．

I’m happy that you agreed to work with us again．and I look forward to______you next week．    

—My grandma decides to _______ her company to me after she is retired.
—You must be under great pressure.