问题

It’s polite to ______.

A:speak loudly in public
B:smoke on the bus
C:drop litter everywhere
D:say “Thank you” when someone helps you;

正确答案是：

同类题型

re one is _______ the English-speakingenvironment, the better he or she will learn the language.

I congratulated them all their results

Are you satisfied with what she has done— Not at all. It couldn’t be ________.

She remembered several occasions in the past she had experienced a similar feeling.

We _______ not be embarrassed about our weight now.