问题

Where is Mother?—She is in the kitchenShe ______the housework all morning

A: does
B:has been doing
C:has done
D:was doing

正确答案是：

同类题型

Did you eat____ in the morning —Yes, I ate____ .

The rich man gave away 5 _____ his money to charity tohelp the poor children in Africa.

r those interruptions, the meeting _____ half an hour ago.

下列各句中，没有语病的一项是（）

Is Tina making dinner— . She is reading a book