问题

Every Friday is the school open day , __________ parents can go to the class to observe it .

A:where
B:when
C:whose
D:which

正确答案是：

同类题型

She told us that she _______ her handbag on the bus.

书写占三格的字母是_____________

The man is feeling much better now, so you ______ call a doctor.

I will call you he comes.

Her good health is chiefly due to proper diet and_____ exercise