35. Learning a language is about_____,so in order to grasp a language,it‘s wise to study on a daily basis.

17. He was very busy yesterday; otherwise, he _____ to the meeting.

28. I have heard a lot of good things about you ______ I came back from abroad.

30. Scientists have obtained more evidence ______ plastic is finding its way into the human body.

5.

50. Try to eat light and avoid greasy,______ and salty food because it adds toxins to the body.

42. It’s implied in the passage that the author may be _____. 

（ ）13. The products of company are sold only at home.

37. The underlined sentence “Their judgements were no better than chance” implies that the testees ______.

26. Being unique should be encouraged because that’s ______ makes our society a society. 

20. Please send us all the information ______ you have about the candidate for the position.

（ ）54.Gina is a music teacher. Although she prefers classical music, she likes to follow the kind of music that interests the teenagers she teaches.