用介词by,with和in填空.

题目

用介词by,with和in填空.
I study for a test ____ working with a group
根据句意及首字母提示,补全句中所缺单词,使句子完整.
1.I think that the increasing population is one of the greatest c____ today.
2.Don't tell anyone about our plan.Keep it a s____.
3.There are many new words in the text,so I read very s____
4.The boy finds it difficult to make c____ sentences because he isn't good at grammer.
5.The beautiful soghts of the city i____ all the visitous.
用trouble,realize,later on,take notes,laugh at填空
1.I did't ____ how late it was.
2.You two go first.I'll go there ____.
3.It is impolite to ____ a person who makes mistakes in studying.
4.The techer asked me to ____ while he was speaking.
5.What't your ____,yaung man?

答案

by
crises
secret
slow
complete
interest
realize
later on
laugh at
take notes
trouble