_________, he could continue working in this company now.
| A．Had he not lied to the boss | B．Did he not lie to the boss |
| C．If he has not lied to the boss | D．If he didn’t lie to the boss |
His speech at the meeting was really wonderful, and it could never be any.
| A．best | B．better | C．worse | D．worst |
All theindicate that he has been deeply involved in the crime.
| A．evidence | B．fact | C．factors | D．cause |
—Are you free after school?
—Sorry: I’ve planned to treat a friend of mine to dinner for his help.
| A．in terms | B．in honor | C．in turn | D．in return |
—Alice, you look puzzled. Have you understood it?
—Yes, I another problem just now.
| A．have thought of | B．am thinking of |
| C．had thought of | D．was thinking of |
Whether ways will be found to stop pollution or not is just worries the public.
| A．why | B．which | C．that | D．what |