根据汉语完成下列句子。

多做运动会保持健康。

Doing more exercise will ________ us ________.

根据汉语完成下列句子。

爸爸说他无法戒烟，因为他已经完全上瘾了。

Father said that he was unable to give up smoking because he ________ completely ________ ________ it.

选择正确的短语来完成句子。

用a number of或the number of填空。

________ them believe that it does no harm to them.

选择正确的短语来完成句子。

用a number of或the number of填空。

________ people who were present at his party was much smaller.

选择正确的短语来完成句子。

用give in或give up填空。

The doctor advised him to______ sugar and drinking.

选择正确的短语来完成句子。

用give in或give up填空。

We should never______ to difficulties.

用适当的介词或副词填空。

The picture ________ the wall remind me ________ the old beautiful days.

选择正确的单词或短语完成句子。

用join in, take part in或attend填空。

Will you ________ us ________ playing football?

选择正确的单词或短语完成句子。

用join in, take part in或attend填空。

They all ___________ singing “Happy Birthday” to the teacher.

选择正确的单词或短语完成句子。

用join in, take part in或attend填空。

How many countries will be ______________ the World Cup?