Why not try your lick downtown, Bob? That’s __________ the best jobs are.

A. where B. what

C. when  D. why

It isn’t socially __________ for parents to leave children unattended at that age.

A. accessible   B. adorable

C. adaptable    D. acceptable

—Is Jack on duty today?

—It __________ be him. It’s his turn tomorrow.

A. mustn’t      B. won’t

C. can’t   D. needn’t

I looked under __________ bed and found __________ book I lost last week.

A. the; a  B. the: the

C. 不填; the   D. the; 不填

The government has _______ the parents to work with teachers in the education of their children.

A. asked for    B. called for   C. looked for     D. paid for

He was accused _____taking ______drugs when he was at school , so he was questioned by the police.

A. of; up ;  B. for; down    C. of ; on  D. from; into

While building a tunnel through the mountain, _____.

A. the workers discovers discovered

B. an underground lake was discovered

C. there was an underground lake discovered

D. the lake was discovered underground

To everybody's surprise, the fashionable young lady ___________ to be a thief.

A. found out     B. proved out     C, put out     D. turned out

Bread and butter____________ for breakfast in many Chinese homes nowadays.

A. serve           B. servers        C. is served      D. are served

Both sides have accused __________ of breaking the contract. 

A. another      B. the other

C. neither       D. each