问题

Have you decided when to leave forAustralia—Not yet. We _________ set off at the endof this month.

A: must
B:should
C:need
D:may

正确答案是：

同类题型

It is essential that every child _______ the same educational opportunities.

your status is permanent,your identification card is onlyfor 20 years and has to be renewed regularly

thstoodbesidethewindow,hisattention____thecaroutside.

esident of the World Bank says he has apassion for China ,he remembers starting as early as his childhood

Neither Tom nor his parents ________ at home.