问题
选择题
I hope to have a car of my own so that I________ compete with others for space on crowded buses.
A．mustn't
B．can't
C．oughtn't to
D．don't have to
答案
答案：D
题目分析：。句意：我希望拥有一辆属于我自己的车子，这样就不必和别人在拥挤的公交车上抢位子了。依据题意，这里用don't have to表示“不必”。 A．mustn't 禁止，B．can't不能， C．oughtn't to不应该，选D