-Kankang，I saw your English teacher in the office just now．
-It _______be him． He______to Shanghai on business．（ ）
| A． |
must；has gone |
B． |
must； has been |
| C． |
can't； has been |
D． |
can't； has gone |
﹣Does Jimmy often volunteer in his free time？
﹣Yes．He often fixes up computers for others．（ ）
A．brightB．fallenC．brokenD．weak
Some children in the villages must look after ________ because their parents work in the cities．（ ）
A．themB．theirC．theirsD．themselves
﹣What does your father do after dinner？
﹣He usually newspapers．（ ）
A．readsB．watchesC．looksD．sees
﹣Linda often answers the teachers' in class，doesn't she？
﹣Yes．She is very active．（ ）
A．problemsB．noticesC．questionsD．messages
﹣Can you come to my party this evening？
﹣Sorry，I can't．I have to prepare my exams．（ ）
A．ofB．forC．aboutD．with