问题
m, You look tired–Yes, I _____________ the room all the afternoon
A:did I see; did I begin to learn
B:I saw; I began to learn
C:I saw; did I begin to learn
D:did I see; I began to learn
B:I saw; I began to learn
C:I saw; did I begin to learn
D:did I see; I began to learn
正确答案是：
同类题型
Whether people are rich or poor, they are all ____ before the law. [ ]
The teacher spoke loudly _________ make the students hear him clearly.
The boss insisted that the task _______before 5 o’clock this afternoon.
I usually go to bed late at night. And you— .
lady likes to spend time indoors, shecan comfortably watch televison and read newspapers