The children are full of ______. They have been playing all day long without resting.
| A．energy | B．power | C．force | D．strength |
Of all the girls, Jane spent_________time and made_________mistakes.
| A．less; fewer | B．much; many | C．the least; the fewest | D．more; most |
How_________I help them to understand when they won’t listen to me?
| A．can | B．would | C．may | D．must |
The film is very humorous but_________can be enjoyed unless you understand English culture.
| A．everything | B．something | C．nothing | D．anythingh |
—Your composition is full of mistakes.
—I wish I _________more careful.
| A．would have been | B．had been | C．would be | D．were |
．_________life began on the earth is one of the biggest puzzles to scientists.
| A．How | B．What | C．Where | D．That |