The doctor must be _______ 24 hours a day, 7 days a week in the boarding school.
A. on call B. by hand C. in sight D. on spot
What was considered impolite years ago has become ________now.
A. accessible B. adjustable C. unbelievable D. acceptable
Which way do you enjoy _______ the coming winter holiday, staying home or going on a trip to Europe?
A. spending B. spend C. to spend D. to be spending
_______ worries the public a lot the way the students are getting more and more stressed out.
A. That B. It C. As D. What
The Tenth Art Festival held in Jinan _______ to many people from the world.
A. appeal B. attract C. fascinate D. attach
According to the agreement, nobody _______ let out how they spent the three days in the cave.
A. must B. may C. will D. shall
