The road is covered with snow. I can’t u
题型:选择题
问题:
The road is covered with snow. I can’t understand _____ they want to go to school by motorbike.
A.why
B.when
C.since
D.that
The road is covered with snow. I can’t understand _____ they want to go to school by motorbike.
A.why
B.when
C.since
D.that