They often go to the restaurants for meals. They _____ be very poor.
| A．mustn’t | B．can’t |
| C．may not | D．needn’t |
As we know, nothing can be equal to the ______ of parents for their children in the world.
| A．appreciation | B．intention | C．invitation | D．affection |
Every evening after dinner, if not ______ in reading books, she can be found _____ on the sofa watching TV.
| A．absorbed; seating | B．absorbing; sat |
| C．absorbed; seated | D．absorbing; sitting |
Some special projects are ________ to protect our environment, so we may be _____ to having a clean and beautiful home in the near future.
| A．on the way; under way | B．under way; on the way |
| C．in the way; on the way | D．on the way; in the way |
Seeing the stranger _______, the frightened baby couldn’t help ______ crying.
| A．burst in; bursting into | B．burst into; burst out |
| C．break in; bursting out | D．burst into; burst out |
Since no one really knows what effects the GM food might have _____ us humans, many countries think that they should be cautious _____ this new technology.
| A．about; with | B．on; to | C．in; to | D．on; with |