— Attention, please. The plane has to be _____ because of the heavy rain.
— Oh, bad luck! We have to wait now.
| A．put on | B．put off | C．put up | D．put away |
I’ve left my keys in the meeting room . Please fetch ________ for me .
| A．one | B．ones | C．it | D．them |
. It’s very kind _________ you to give your seat to me .
| A．for | B．of | C．to | D．on |
Listen ! Peter is singing in the classroom . It _____ be him . He has gone back to hid hometown .
| A．must | B．mustn’t |
| C．may not | D．can’t |
How many times have you ________ to Shanghai ?
| A．go | B．gone | C．been | D．be |
Please tell me ___________ .
| A．what is your favorite subject |
| B．why you like English best |
| C．how is your mother |
| D．how old are you |