1 . ________ hard work, he can’t be successful.

A．By

B．Except

C．Without

2 . When the leaves are ready, they are picked ________ hand and then are sent ________ processing.

A．with; to

B．by; to

C．with; for

D．by; for

3 . The small boy was standing ________（在……旁边）his mother.

4 . —How time flies! When we were young, we often played ________ quiet streams or under the shade of the big trees ________ lazy summer afternoons, but we can’t get back.
一Come on! Live in the present moment.

A．near; in

B．by; on

C．by; in

D．under; on

5 . Scared by the loud noise, the rabbits ran ________ all directions.

A．on

B．at

C．in

D．by

6 . You’re halfway to solving a problem just ________ talking to someone about it.

A．at

B．in

C．by

D．for

7 . This book must belong ________ Mike.

A．by

B．at

C．on

D．to

8 . I keep healthy ________ exercise.

9 . Lucy often practices speaking English _________ having conversations with friends.

A．on

B．of

C．by

10 . Which invention was invented ________ accident?

A．on

B．by

C．at