1.Did he write all the articles or did anyone help him?
B.in a person
C.in the person
2.The woman feels worried _______ her sick baby.
3.When things got worse, a superhero came and saved the world
4.-- Listen! The TV is________.Who is in the living room?
---Little Jim.He is watching his favourite cartoon
5.My sister usually thinks _______ her own language first.Then she turns her words into English.
6.My parents are very strict me my schoolwork.I can’t understand.
7.China became a WTO member _______ December 11th,2017.
8.—My parents are sometimes too hard ______ me.
—Are they?They just want you to spend more time on your lessons.
9.–How are you going to the train station to meet your aunt?
--I’m going there _______ my car.
10.Timmy goes to school _______ every day.It’s 5 minutes’ walk from his home to school.
A.in a bus
11.If you successfully complete a difficult task ________ hard work, you’ll become confident.
12.We mustn’t cut down so many trees! What a pity we can’t see _________two hundred kinds of wild animals in the forests again.
B.at a time
13.Does your father go to work, _______ foot or _______ bike?
14.— Where will you live?
— I will live_______ a space station.
15.My dear, if you can finish this task on your own ____________ hard work, you will become
more confident, I think.
16.–It’s kind _______ you to come to see me.
--It’s a pleasure.You were so kind _______ me.
17.Mr Wang is very strict.His students are afraid _______ him.
18.Hong Kong is_______ the south of China.and Macau is________ the west of Hong Kong.
19.Kate often goes to work_________ breakfast.It’s bad for her health.
20.In China, the price of TV sets has been reduced ____ 30% in the last three years.
21.--Purple doesn’t look good ______ you, but you look cool _______ black.
---Really? Let me try .