In our school students are _______ according to how much they know and how old they are.
| A．classified | B．combined | C．listed | D．clarified |
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 |
I’d rather that you ______ the operation right away.
| A．perform | B．should perform | C．will perform | D．performed |