---Can I pass the exam this time，Mr.Li?
---I don’t think you can________ you work hard.
| A．unless | B．until | C．if | D．when |
The college ______ 7 departments, 4 institutes, and Teaching Division of Basic Computer Science and Basic Lab Center.
| A．consists of | B．makes up of | C．is consisted of | D．is made of |
You must keep us ______ of how things are going here.
| A．informing | B．informed | C．inform | D．to inform |
_______ by keeping down costs will Power Data hold its advantage over other companies.
| A．Only | B．Just | C．Still | D．Yet |
--- I didn’t invite him to the party but he came anyway and got completely drunk.
--- _______ he hadn’t come! The party could have been a success.
| A．How come | B．Only if | C．What if | D．If only |
--- How can I repair it?
--- Well, look at the _________.
| A．explanations | B．expressions | C．instructions | D．introductions |