I don’t think this TV set is of goodquality. Can you replace it with a new one—_____. But I have to talk to my managerfirst.

carry that heavy box for you—No, but thanksfor to do so

It’s cold here. _________ I switch on the heating?

下列交际语言，最为得体的一项是 (　　)

It was when I searched the Web for some information about my classmates that I __ your website.