题目内容
I am concerned ____ it that I can’t concentrate ____ my work because of headache.
| A．of; on | B．of; of | C．about; on | D．about; to |
C
解析试题分析：考查介词：句意：我担心因为工作我不能专心工作。Be concerned about关心，concentrate on 集中精力于……；专心于……选C。
考点：考查介词
举一反三期末百分冲刺卷系列答案Sam always pronounces my name wrong. Do you think he does it ______ ?
| A．on purpose | B．at present | C．at an end | D．right away |
Young children are often advised not to spoil their appetite by eating sweets ________ the three meals.
| A．among | B．during | C．between | D．through |
On April 1, Jim tried to play a trick ______ his teacher but the teacher wasn’t taken _____.
| A．by; on | B．in; in | C．on; in | D．on; on |
My brother isn’t very good at English, but _____ maths, he is second to none.
| A．in view of | B．in face of | C．in terms of | D．in favor of |
The opening ceremony has been put off_____ the bad weather.
| A．in case of | B．in spite of | C．instead of | D．because of |
Being quick-minded and good at creating a win-win situation, the young manager was sent to sign the document _____ the committee.
| A．on account of | B．on behalf of | C．in favour of | D．in honour of |
_____ two exams coming up, I have to study really hard this weekend.
| A．With | B．Besides | C．As for | D．As to |