用所给动词的正确形式填空。

1．There're 50 students in my class and we _________ (divide) into 5 groups by Mr Wu.

2．If you have some difficulty ___________ (finish)your homework, please ask Miss Gao for help.

3．Mum told me ___________ (not disturb) Dad.

4．As Millie __________ (walk) past the bookshop, she suddenly thought of buying A TV guide.

5．Remember __________ (read) the passage three times at least if you don't understand it.

马可·波罗赞它是“世界上最绝妙之桥”、“独一无二”。 1937年，这座桥却被战火笼罩，宣告一个新的抗战时代的来临。此桥是

A．赵州桥

B．卢沟桥

C．泸定桥

D．金水桥