问题

I so busily recently that I no time to help you with your math— That’s OKI can manage it by myself

A:have been working; have
B:have worked; had
C:am working; will have
D:had been working; had had

正确答案是：

同类题型

Trees can prevent the wind _____ the earth away.

He’s never been late for school, _________ he—_________. He always comes on time.

took his temperature, it was two degrees above________.

Mo Yan’s books have been sold out in many bookstores his winning if the Nobel Prize.

. ____ it will do us harm or good remains to be seen.