你想和同学们一起打扫教室，你应该怎么说：
A. Let me clean the classroom.
B. Let’s clean the classroom.
C. Let clean the classroom.
—Good afternoon, Mr. Brown._________
—Yes, he's at home. Come in, please.
—Thank you.
| A．Where is Jim? | B．Is Jim in? |
| C．Are you Kate's mother? | D．Does Kate like to go out? |
—I think she's from Canada.
—_________
| A．Yes, all right. | B．Yes, she's OK. |
| C．That's all right. | D．Yes, that's right. |
Where would you see this notice — EVERY THINGHALF-PRICE?
| A．In a bank. | B．At home. | C．In a classroom. | D．In a shop. |
JimandIgotoschool_________eightthirty_________everySaturdaymorning.
| A．at; on | B．in; in | C．at; / | D．on; in |
There are forty students in our class. Twenty-five are girls and _________ are boys.
| A．other | B．others | C． the other | D． the others |