问题

don’t think all this bad language on TV should be allowed; there are certain standards that should be ________.[ ]

A: kept up
B: kept down
C: kept out
D: kept off

正确答案是：

同类题型

Bob’s doctor suggests _______ for a few days.

I’d like a wake-up call at 7：00 am, please!—OK，________.

You know Mr Green has been ill for days? —Yes, I wonder if he is _________ better now

_____, the weather turned out to be very hot that day.

Their new house by the river.