【题目】Betty ___________ hard since last term. That’s why her exam results are so good!

【题目】----Who cooks dinner in your home every day? ---- _________ .

【题目】According to a survey, people ___________ are able to speak two languages can manage two things at the same time more easily.

【题目】We can collect rainwater when it rains ___________, and use it to water plants.

【题目】Some terrorists the music hall in Paris and killed over 100 people on Nov. 13.

【题目】The letter from parents makes David _________ sad.

【题目】For more than once, our head teacher asks us ___________ the habit of keeping a diary.