问题

He_ along the seaside_ a tsunami came

A:walked；when
B:is walking；as
C:was walking；when
D:was walking；while

正确答案是：

同类题型

Tom plants_______trees every year.

A quarrel _________, which made him ______ his family.

It’s very kind you so.

you don’t like him is none of my business.

Mother’s Day is the second Sunday in May in the United States.