The air holds the feather back more than it ___ the stone.
| A．holds | B．do | C．has | D．does |
Either you or one of your students _________ to attend the meeting that is due tomorrow.
| A．are | B．is | C．have | D．be |
___________ certain that his invertion will lead to the development of production.
| A．That’s | B．This is | C．It’s | D．What’s |
He is brave, hard-working and kind, so he was elected ________ monitor of our class.
| A．as a | B．/ | C．a | D．to be the |
You are always telling me I am lazy. Look at your room. What a mess it is!_____.
| A．The day has eyes, the night has ears |
| B．The great thieves punish the little ones |
| C．That is like the pot calling the kettle black |
| D．When one will not, two cannot quarrel |
Many grocery stores use misting, a process ________ vegetables are sprayed with water, to keep vegetable fresh.
| A．which | B．that | C．what | D．where |