③You're wasting your time trying to persuade him. He'll never join us.

④She wasted too much money on those books.

⑤Haste makes waste. (谚)欲速则不达.

5. When you have a problem and want to talk to someone, who do you choose to talk to? (p21) 当你有问题想跟人谈一谈时，你喜欢跟谁谈呢?

choose v. 选择；决定；喜欢；宁愿

①You may choose what you like. ②I had to choose between the two.

③I want to choose her a nice present.==I want to choose a nice present for her.

④There are many types to choose from. ⑤He couldn't choose but give up the chance.

⑥We chose her as/for/to be monitor. ⑦He chose that his son should change his school.

⑧I haven't chosen what to do next. ⑨Choose correct one from the following.

⑩He chose to stay home while all the others went to the cinema.

choice n. 选择，抉择，挑拣上的人／物，精选品

make /take a choice做选择 without choice不分好坏地

have no choice but to do 只好，不得不......

6. Mom and Dad arrive back from vacation a day earlier than expected. (p22) 妈妈和爸爸比预期的早一天度假回来。

the summer／winter vacation暑／寒假 take a vacation休假

three weeks of vacation 3周的假 on vacation (在)度假 expect预想, 预期，料想 than expected比预料的 as expected如预料的那样

①There are more people present than expected.

②The film was not interesting as expected.

7. I can't wait to surprise the boys. (p22)我都等不及要让孩子们大吃一惊了。

wait for...等待 wait for sb. to do 等待某人做

wait to do等着做 can't wait to do 等不及做

①I'll wait fot you at the station. ②I have been waiting to hear from you.

③Let's wait here for the rain to stop. ④I can't wait to see her again.

8. Eric runs in after it, followed by a big dog，walking very slowly.(p22) 埃里克跑进来追球，后面跟着一只走得慢腾腾的狗。