He had to _______ the mud off his shoes before coming into thehouse.A) scratchB) scrap

If an Arab wishes to be alone, he usually ______.A．unplugs the telephoneB．hangs off the te

— I drove to Shenzhen for the air show last week.— Is that _____ you had a few days off？

He had hardly had time to finish the sound－recording ______ he turned off the radio.A．when

He had just______the shell of the hard－boiled egg and was starting to peel it off.A．burstB

The ship took machines and other goods back to the port ________ it had set off. A：from

I was about to leave when it _______to me that I had not turned off the gas in the kit