【题目】Both his parents look sad. Maybe they _________ what's happened to him.

【题目】—Do you like vegetable salad?

【题目】Located beside Hangzhou's beautiful West Lake, a new private university will _______ soon

【题目】The 2018 World Cup finally kicked off in Russia ________June 14.

【题目】She was driving at more than 120 km ________hour.

【题目】—The winter vacation is coming, but I don’t know________.

【题目】The girl is so helpful that she devoted all her spare time she had ______ others．

【题目】I like the house very much but its price goes ________my ablilty to pay.

【题目】I can’t drive my father’s car ________I get my driving license.

【题目】Wetchat is a useful communication tool________can help people talk to friends, share photos, ideals and feelings freely.