-Can I help you?

-I’d like to buy a present for my father’s birthday,      at a proper price but of great use.

The patient will have to remain in hospital for another week      the recent medical report.

—Why did you drop the chance of earning big money?

—     ，You know, I don’t want to get rich by taking risks.

Persons under18      not be employed in night work in the United States.

Without enough evidence, the jury couldn’t find him      of the crime, so he was set free.  

—Will working day and night make me a success?

—Hardly ever. Remember, make a plan, strike a balance between work and rest, and      , work hard but also work smart.

A. in all             B. after all             C for all                       D. above all

—Mama, why can’t I work the math problem out?

—Oh, let me see. Well, you      a figure here. Got it?  

Some westerners who have never been to China make the      that poverty exists all over the poor country．

After the adjustment of financial policies, many netizens put up posts,90 percent       carried the message of approval.

He ______ have finished his work; otherwise, he wouldn’t be enjoying himself by the seaside.