根据句意和汉语提示，用正确的单词填空。

 1. The thick haze(雾霾) over the city _______________(影响) our life greatly.

2. In               (古老的) China, people believed that the ground was square and the sky was round.

3. Franklin was the first scientist to ______________ (发现) electricity.

4. It is the greatest joy for a teacher to win____________  (信任) and respect from their students.

5. I can't decide          (是否) or not I should accept the invitation.

根据句意，用括号内所给单词的适当形式填空。

1. If we follow his advice, we will have less ________________ __(difficult) completing the job.

2. Our team has won the cup again. We are busy preparing for a ________________(celebrate).

3. When            (sad) is shared, it will be doubled. So don't keep it to yourselves.

4. No __________(decide) has been made. More discussion is needed.

5. Teenagers should pay more attention to net safety. They shouldn't give out too much _________(person) information online.

从方框中选择合适的词或者词组，并用其正确形式填空。

1. I was ___________the happy experiences in the countryside when I heard the music.

2. Lucy prefers to go to the movie while I _____________ stay at home and do some reading.

3. I won't be           when I see others' good grades. I will try to find out why they can achieve more than I.

4. The new therapy__________ so far. The patient is feeling better day by day.

5.  The rule ______________ everyone to avoid wearing informal clothes to the meeting.

动词填空。

1. Many of the world's inventions have__________ __(creat) simply by surprise.

2. Ben _____________(promise) to keep the secret, so he wouldn't tell anyone even though  asked to.

3. He ___________(discover) a pot in the ground.There were 32,000 Chinese metal coins.

4. Ann              (practise)  colour therapy since she left college.

根据对话内容，从下面方框中选择适当的单词或词组填空．使对话内容完整正确。

A: I can't sleep well these days. I am not feeling as    1    as before in the day time. I may

need some sleeping pills(药丸).

B: Things are not that serious. It seems to me that you are just too tired.

A: That's serious. And I can't stay active at school. My teacher says I look   2    in class. I

must have some medicine.

B: I don't think so. There are other ways.First of all, reduce your work and don't go to so

many elubs. Then, maybe colours can help you.Try looking at green trees when you axe tired.

Green    3    and can give you energy.

A: Is that so? But I also have so many worries.  Do  you  really  think  your idea  can

change     4   

B: Of course. And change your curtain. Blue curtain can bring    5     into your bedroom so

that you can sleep better.