— How is the test that you took yesterday?
— Unfortunately, not even one of the hundred students who took the test ______ passed.
| A．has | B．have | C．are | D．is |
— Hey! Everyone in the office was at the dinner party in honor of Mr. Charles except you. What happened?
— I ______ after Mike, my colleague. He was badly ill.
| A．have looked | B．was looking | C．would look | D．had looked |
In this experiment, they are wakened several times during the night, and asked to report what they _____.
| A．had just been dreaming | B．are just dreaming |
| C．just dreamt | D．have just been dreaming |
In this institution, a medal, together with a prize of a certain sum of money, ________ does best in science and technology every two years.
| A．is given to whoever | B．are given to anyone |
| C．are given to who | D．is given to whom |
Some experts demanded that children _______ time for sleep and play.
| A．give | B．should give | C．would be given | D．be given |
Some of the heat near the surface of the earth _____ electricity.
| A．is used to making | B．are used for making |
| C．is used to make | D．are used to make |
After graduation, he was employed by a famous company and ____ there ever since.
| A．worked | B．has worked | C．had worked | D．is working |
–Could you meet me at the airport?
--I’d like to, but I’m afraid I_________ a very important meeting when you return.
| A．will have attended | B．was attending | C．am attending | D．will be attending |
Nowadays with the development of science, more new technology_________to the field of IT.
| A．has introduced | B．is being introduced | C．is introducing | D．was introduced |