It is so difficult a problem that _____ student in this class _____ work it out.
| A．any, can't | B．no, can | C．every, can | D．no, can't |
Evidence has been found through years of study_____children's early sleeping problem is likely to continue when they grow up.
| A．why | B．how | C．whether | D．that |
Before you quit your job, ______how your family would feel about your decision.
| A．consider | B．considering |
| C．to consider | D．considered |
It is only when an NBA player has aged and been through many battles _____he learns an important lesson;
there is no "I" in "team".
| A．after | B．before | C．that | D．what |
He keeps himself._____of the current events by reading three newspapers a day.
| A．informing | B．to inform |
| C．informed | D．to be informed |
You fool! You _____for a house full of wonderful food, but you only wished for a cake.
| A．could wish | B．could have wished |
| C．can wish | D．may wish |