问题

Some pre-school children go to a day care center, _ they learn simple games and songs[ ]

A: then
B: there
C: while
D: where

正确答案是：

同类题型

The big strike of the workers would _______ the production of cars for several months.[ ]

I often help my mother some cleaning home.

Sandy goes to the Reading Club _____ every Wednesday afternoon and goes to the Computer Club _____ Fridays.

The question is _____it is worth doing.[ ]

We offered him our congratulations＿＿＿＿＿his passing the college entrance exams