how much does your pen ______?l _____ an hour reading books every day A.spend B.take C.pay D.

问题描述:

how much does your pen ______?l _____ an hour reading books every day A.spend B.take C.pay D.
cost

1 D 某物+ COST +……
2 A 某人+ spend + 时间/金钱+ on sth / (in ) doing sth