---Sunday is a public holiday, _____chil
题型:选择题
问题:
---Sunday is a public holiday, _____children should get close to nature.
---But most of them have several lessons to attend.
A.when
B.which
C.where
D.what
---Sunday is a public holiday, _____children should get close to nature.
---But most of them have several lessons to attend.
A.when
B.which
C.where
D.what