Great changes ______ in the city, and a lot of factories ______.
A. have been taken place; have been set up B. have taken place; have been set up
C. have taken place; have set up D. were taken place; were set up
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