问题
ing to the Tourism Law of the People’s Republic of China, tourists _____ observe public order and respect local customs, cultural traditions and religious beliefs.
A:need
B:must
C:shall
D:may;
B:must
C:shall
D:may;
正确答案是：
同类题型
ster left home in 1998, and__________since.
________ little children can onlydo________ little work.
How long ____ in Beijing — For just theweekend. I’ll be back for work next Monday morning.
I _____ in the hospital yesterday. I had to look after my grandfather.
How do you find the plan? —Wonderful. It well more than expected.