I don’t know_______________.
| A．where can we buy the tickets |
| B．how much it costs to fly to Hainan |
| C．what is he waiting for |
| D．why was he late for school this morning |
—Why was he late?
—_____ he got up late.
| A．Since | B．Because | C．As | D．For |
His mother gets up at 6:00 a. m. every day. She is used to ___ early to make breakfast for the family.
| A．get up | B．getting up | C．gets up | D．got up |
The little girl felt upset ____ her pet dog died.
| A．why | B．because of | C．because | D．what |
_____ is necessary for us to finish the work in two days.
| A．They | B．This | C．It | D．That |
—Why does Jane feel so upset?
—She failed the exam and she has no friends ____.
| A．talking | B．talking with | C．to talk | D．to talk with |