They are very busy.They are study ________ exams.填介词
They are very busy.They are study ________ exams.填介词
They are very busy these days.They for the next week's exams
These days they are busy ( ) the farm work填介词
25. They are talking ________ the telephone .填介词
They are busy ________ (have) lunch.
-What are you busy doing for?-For the final exams.They are _
They are holiday in Canada.填介词
They are _____holiday in Beijing.填介词
They are still working ________ the house outside.填什么介词
they are ( ) very beautiful中间填什么?
They are very busy.请英语翻译,句型解答.谢谢.
they are very sad.they are c___