We have been told that under no circumstance_____ the telephone in the office for personal affairs.
| A．may we use | B．we may ring |
| C．we could borrow | D．did we answer |
.
--- I didn't attend the meeting yesterday.
--- But you _______.
A ought to B should to C ought have D should have
.
A small car has the great _____ of being cheaper to run.
A interest B benefit C usefulness D advantage
.
The discovery of new evidence lead to ________.
A the thief having caught B catching the thief
C the thief being caught D the thief to be caught
.
The Internet __________ of great value to us during our project.
A was proved B proved C was proving D was being proved
.
Don't ________ the drug on animals.
A try out B watch out C make out D take out