— What great trouble I have solving this problem now！
—_____ my advice, you ________less trouble.
| A．If you had taken, would have had | B．If you took, would have |
| C．If you had taken, would have | D．If you take, will have |
The light is out in her room. She ___ to bed.
| A．can’t go | B．can’t have gone | C．must have gone | D．has gone |
---Excuse me, is this seat taken?---____.Please have a seat.
| A．Yes, it is | B．All right | C．No, it isn’t | D．OF course |
It was in the street __ this little girl saw a great scientist named Einstein for the first time in her life
| A．where | B．on which | C．that | D．who |
A stranger ___ his room without his permission.
| A．broke up | B．broke out | C．broke into | D．broke down |
Let’s congratulate you ___ your success in every aspect of life and drink ___ it.
| A．on… to | B．to….on | C．to…..to | D．on….on |