–-You should be _______ careful when you take the chemistry exam.
---I agree. In this way, I will make _______ mistakes.
| A．more; less | B．more; more |
| C．less; fewer | D．more; fewer |
—Morning，class．Is________here?
—No，sir．Tom is absent．
| A．anybody |
| B．everybody |
| C．nobody |
| D．somebody |
—Are those books________?
—No，they are not mine．They belong to________．
| A．your；her |
| B．yours；her |
| C．your；hers |
| D．yours；she |
—Do you hear the noise outside?
—Yes．There must be some kids________outside．
| A．have fun |
| B．has fun |
| C．to have fun |
| D．having fun |
—Tom，where is your father?
—I’m not sure．He________in his office．
| A．must be |
| B．may be |
| C．maybe |
| D．need be |
Some people________feel sick when they read a book in a car or on a boat．
| A．must |
| B．should |
| C．may |
| D．need |