The company earned a lot of money. As a result, the members’ personal income rose by a/an __ of 13 percent.
A.average |
B.ordinary |
C.common |
D.usual |
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 |