________ all of them are strong candidates,only one will be chosen for the post.(2011·陕西,19)
Helen is on time for everything. How ______ it be that she was late for such an important interview? A. might B. can C. must D. may
While you are enjoying yourself in Beijing this time tomorrow, I ______ my mother do housework at home.
The e-mail, as well as the telephone, ______ an important part in daily communication.
Jumping out of ______airplane at ten thousand feet is quite _____exciting experience.
What they need ______ enough money, while what we need ______ enough workers.