问题
_______ can the batteries (电池) keep these cool iPhones and iPads working- For about ten hours.
A:How much
B:How many
C:How long
D:How often;
B:How many
C:How long
D:How often;
正确答案是：
同类题型
_____ lie in the sun for too long, _______ you will get sunburnt[ ]
_____sustainable development, measures are being drafted to control rising prices.[ ]
Look, what have you done—Sorry. I think if I ____ another chance, I’ll do it better.
I can’t see any reason to use cash anymore it’sso much easier to use other means of payment.