问题

he is always thinking much of himself, he ______ be helpful when staying with others.
A:can
B:must
C:should
D:need;
B:must
C:should
D:need;
正确答案是:
同类题型
I prefer _________shopping to _________at home.
Who will _______ the baby when your aunt isaway—Nobody but me.
Some people in Beijing go to work half an hour earlier every day to avoidin the traffic jam
oy the scenery, Sara would spend long hours on the train______ travel by air
Could I use your English dictionary for afew moments—— ________I’m not using it myself