The workers were working from 7:00 a.m. to 7:00 p.m. that day, only ____ once at noon to have their lunch.
| A．to stop | B．stopping |
| C．to have stopped | D．having stopped |
As you are now a member of our society we shall let you ______ our secrets.
| A．into | B．through | C．to | D．between |
Here _____. This is our classroom.
| A．are we | B．we are | C．you are | D．are you |
All but one ______ here just now.
| A．is | B．was | C．have been | D．were |
Only in the library _____ the book.
| A．we can get | B．can we get | C．can get we | D．we get |
Teacher: You can't finish the book in less than an hour, I suppose?
Student: __________.
| A．Yes, I'm sure I can | B．No, hardly |
| C．Sorry, I can't | D．I don't think I can |