----I’d like to book a room for tonight.
----Sorry, sir, but we don’t have any rooms ____ at the moment.
| A．suitable | B．comfortable | C．useful | D．available |
With the help of high technology, more and more new substances ___in the past few years.
| A．discovered | B．have discovered |
| C．had been discovered | D．have been discovered |
It was dark. We decided to ___for the night at a farmhouse.
| A．put down | B．put up | C．put away | D．put on |
They would __if food was difficult to find, so they celebrated when they had food.
| A．kill | B．disappear | C．starve | D．start |
It was the woman ___had been in prison __stole the money.
| A．who; where | B．that; how | C．who; who | D．that; where |
He is the only one of the students in our grade who ___ a winner of scholarship for three years.
| A．is | B．are | C．have been | D．has been |