We are living in an age _______ many things can be done on computers and the Internet.
| A．which | B．that |
| C．whose | D．when |
___________his homework, the boy went out to play.
| A．Doing | B．Done | C．Having done | D．To do |
------- Will you pass me the newspaper?
--------___________
| A．That’s right | B．That’s all right | C．All right | D．You’re right |
His laziness ___________it hard for him to study well.
| A．makes | B．gets | C．has | D．brings |
______________ is quite obvious that there is no water on the Mars.
| A．There | B．It | C．That | D．This |
To qualify yourself for this kind of new job, I recommend that you ________ some on-line course.
| A．to take | B．taking | C．take | D．would take |