My visit to your school is really an unforgettable experience, ________ I will treasure for ever.
| A．that | B．one | C．it | D．what |
---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 |
Suddenly I met a friend of ___ and we said hello to each other .
| A．his | B．her | C．my | D．your |