【题目】We have socks ___________ white, yellow and red ___________ four dollars.

【题目】－Mary, this white T-shirt ___________nice on you.

【题目】－___________are socks?

【题目】We saw a couple of laptops, but ______ of them was really what we wanted.

【题目】We can get more ______ about international affairs on the Internet than before.

【题目】－Do you want ___________ a hat?

【题目】一 ________do you visit your grandparents?

【题目】—Will you buy ________when you travel to another country?

【题目】—Do you know ___________ Doris has been in the Science Club?

【题目】The mess along the river has been cleaned up, so the river no longer smells ______.