问题

The volunteers will visit the primary school next Monday ,_______all the students are children of migrant workers,

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

正确答案是：

同类题型

Susan __________ for our newspaper any moreShe has been hired by a fashion magazine

I stood there patiently untilhe ________ his work

John thinks it won’t be long _________ he is ready forhis new job

I read an interesting book last night. The underlined part in the word “read” is pronounced as_______.

Shall we go for a picnic next week–____________________.