1 . ___________________ is a pity that the industrial cities built in the nineteenth century do not attract visitors.

2 . 毫无疑问，费心去记忆那些数据是没有意义的。(doubt, bother, it作形式主语)
______ it ________ those data.

3 . 立刻送受伤者到医院至关重要。
______________________________________ the victim to the doctor or hospital at once.

4 . Which of the following sentences is correct?

A．You can also explore Frick’s beautiful home and garden which are very worth a visit.

B．It is amazing that so many great works of art from the late 19th century to the 21st century are housed in the same museum.

C．There are various reasons that people write poetry.

D．The language is concrete but imaginative, and they are delighted small children because they rhyme, have strong rhythm and a lot of repetition.

5 . ________ no wonder that they had so much trouble.

A．This is	B．That is
C．It is	D．There is