576÷(1-17)
=576÷67
=672(元);
答:六年级捐款672元.
呼吸运动中的气之根是()
A.心
B.肝
C.脾
D.肺
E.肾
“Is John coming by train?” “He should, but he _____ not. He likes driving his car.”
A.must
B.can
C.need
D.may