—Excuse me! Look at the sign __________ on the wall, please.
—Sorry. I won’t take photos any more. 
Sorry, your car ______in front of the hotel.
| A．can put | B．be not put |
| C．can’t be put | D．can be not put |
I wonder________ he will come back tomorrow.
| A．unless | B．if | C．though | D．even |
—Did you find your lost key?—No, but I think ________ must have picked it up.
| A．nobody | B．somebody |
| C．anybody | D．everybody |
Something is wrong with my PDA.I will get it ___________ .
A. repairB. repairing
C. to repair D. repaired
The woman you saw at the park ________ be Jane. She is at work now.
| A．must | B．might | C．can | D．can't |