Joy, what happened to the plane?
It ___ at midnight, but it didn’t land on the airport on time.
| A．took off | B．put off | C．turned off | D．got off |
---The man in a black cap _______ be our maths teacher.
----It _______ be him. I saw him in the laboratory building some minutes ago
| A．must, can’t | B．can; mustn’t |
| C．can; could | D．must; won’t |
____________of the news _________written in English on the Internet.
| A．Three quarters, are | B．Three quarters, is |
| C．Three quarter, are | D．Three quarter, is |
_______hard work it is! And __________should I do to complete it well?
| A．What a, how | B．What, what |
| C．How, what | D．What , how |
This hospital needs ____X-ray machine, _____ machine is used for checking for patients.
| A．a,a | B．an, an |
| C．an, the | D．a, the |
--- Bill, can I get you anything to drink?
--- __________.
| A．You are welcome | B．No problem |
| C．I wouldn’t mind a coffee | D．It doesn’t matter. |