—John has put forward _______ most challenging question for us to answer.
—Yes, it really is. I have never heard _______ harder one.
| A．the; 不填 | B．不填; the | C．the; the | D．a; a |
Passengers are permitted ______ only one piece of hand luggage onto the plane.
| A．to carry | B．carrying | C．to be carried | D．being carried |
She____thefilm.Sheknowsnothingaboutit.
| A．can’tsee | B．can’thaveseen | C．mustsee | D．mustn’thaveseen |
You can’t catch me!” Janet shouted, _______ away.
| A．run | B．running | C．to run | D．ran |
I always prefer starting early , _____ leaving everything to the last minute.
| A．rather than | B．other than | C．more than | D．less than |
——You looked upset. What’s the matter?
——My plan was _____ again.
| A．turned on | B．turned down | C．turned up | D．turned off |