1.I'm sorry,I didn't answer your message immediately.I ? .
A.cooked.
B.have cooked.
C.was cooking.
D.have been cooking.
2.His father looks young,but ? fact he is ? .
A.in,in the forties.
B.in,in his forties.
C.in the,in the forties.
D.in,in his forty.
请写出结果并说明理由好吗?