1£®Much good may an Oxford English dictionary do __to__ your English learning.

2£®Persons under 18 shall not be employed __in__ night work in the United States.

3£®If you must, you can have __a__ word with me.

4£®They __couldn't__ go skiing in the mountains last winter because there was little snow there.

5£®I can't find my dictionary.I __might_have_put__(put) it in the wrong place.

6£®John promised his doctor he would not smoke, __and__he has never smoked ever since.

7£®Peter __didn't_hear__(hear) the phone call, he must be watching TV.

8£®Johnny, you mustn't play __with__ the knife.You may hurt yourself.

9£®The sign over there __reads__(read)£¬“No person shall smoke or carry a lighted cigarette, cigar or pipe in this area.”

10£®I tried to explain the matter to my mom, but she was so angry __that__ she wouldn't listen.