She ____ the hospital so soon, for she has not yet recovered.
| A．wouldn’t have left | B．shouldn’t have left |
| C．mustn’t have left | D．hadn’t had left |
According to the record reports, one of the rare animals, ______ crocodile, is in ______ danger of dying out.
| A．a; the | B．/ ;as | C．/ ; the | D．the ; / |
______, ______ many boys, Jack like playing football.
| A．In a fact; in common with | B．In fact; as |
| C．In the fact; like | D．Actually; in common with |
This is the ____ piano on which the composer created some of his greatest works.
| A．true | B．original | C．real | D．practical |
Perhaps we need to clear away these books to make ______ for our new students.
| A．place | B．area | C．space | D．room |
The police have finally ______ the mystery (疑案).
| A．succeeded to solve | B．succeeded in solving |
| C．succeeded solving | D．succeeded on solving |