--_________ do you have an English party?
--Once a month.
| A．How old | B．How far |
| C．How often | D．How long |
Mobile phones and electronic calculators _______ be brought in the test rooms at exam times.
| A．couldn’t | B．needn’t |
| C．don’t have to | D．mustn’t |
—What’s your plan for the coming summer holiday?
—I’ll devote as much time as I can ________ some voluntary work.
| A．to do | B．doing |
| C．do | D．to doing |
Some people like iphone 6 _______ much that they want it to be on China’s market as soon as possible.
| A．very | B．quite |
| C．too | D．so |
—Our head teacher says we should have more sleep these days.
—I don’t agree with his idea __________ he might be right.
| A．if | B．although |
| C．unless | D．because |
—I hear that our boss left for Beijing this morning.
—Really? But he made no ________ of the trip at yesterday’s meeting.
| A．attention | B．information |
| C．mention | D．attraction |