1 . You can get information ________ space travel online.

A．in

B．on

C．at

D．by

2 . It is very dangerous __________ children to cross the busy street.

A．of

B．by

C．on

D．for

3 . The Blue Danube ________ Strauss the younger is still popular all over the world.

A．by

B．with

C．for

4 . Darren often wears clothes ________ soft colors. These clothes are made ________ cotton.

A．in; of

B．on; by

C．in; from

5 . —Jimmy practiced hardest among us and he won first prize in the competition.
—A dream can’t come true ________ hard work.

A．by

B．through

C．without

6 . understand, talking, we, each other, by
________________________________________________________________.

7 . Zibo, a city ________ Shandong Province became famous this April.

A．in

B．on

C．at

D．by

8 . Miss Li has a great influence ________ her students.

A．on

B．in

C．with

D．by

9 . If you miss this chance, you’ll have to wait _______ the end of this term.

A．since

B．till

C．by

D．into

10 . —How do you keep in touch with your online friends, Sandy?
—We mainly communicate ________ email.

A．with

B．by

C．on

D．through