_______ you do it, you’d better do it well.
A. Now that B After C. Although D. As soon as
---Where is my new football shoes, Mum? I need them to play football with my friends.
---I haven’t seen them. You ____ somewhere in your room.
| A．ought to put it | B．might put it | C．must put it | D．may have put it |
Is this the computer you want to _____?
| A．repair it | B．have it repaired | C．be repaired | D．have repaired |
The young man went into the cinema and after ____ seemed half an hour he came out.
| A．that | B．it | C．what | D．which |
The environmental problem we are looking forward to _____ is __________ our attention.
| A．see being solved ; worth | B．seeing solved ;worthy |
| C．seeing solved ;worthy of | D．see to solve; worth |
Will you take my previous experience into _____ when you fix my salary?
| A．mind | B．thought | C．reference | D．account |