________ students in the classroom ______ twenty. The others are in the library.
| A．The number of ; is | B．A number of; are |
| C．The number of; are | D．A number of ; is |
---It is too cold here in winter .Let’s go _____.
---Good idea ! why not ___ Thailand ?
| A．somewhere warm ; to warm | B．warm somewhere ; visit |
| C．somewhere warm; visit | D．warm somewhere ; to visit |
Tom will call you Jim comes back.
| A．till | B．while |
| C．until | D．as soon as |
These are my pants. His ____ yellow.
| A．is | B．am | C．are | D．/ |
—What color is the T-shirt?
—It’s ____.
| A．an orange | B．orange |
| C．the orange | D．New |
I’m in Class 4. Are you in Class 4, ____?
| A．Please | B．too | C．and | D．Excuse |
—Did you finish your homework?
—No, I didn’t. But the teacher said we didn’t need _______.
| A．to hand it in | B．hand them in |
| C．to hand them in | D．hand it in |