根据提示填空（每空一词）
I have trouble in ____ (work) out the math problem.

根据提示填空（每空一词）
My brother is used to ____ (get) up early.

根据提示填空（每空一词）
He kept on ____ (climb) mountains.

根据提示填空（每空一词）
____ ____ ____ (说实在的), I have not played for a while now.

根据提示填空（每空一词）
如今，数百万计的中国人离开农村去城市寻找工作。
Nowadays, millions of Chinese leave the countryside to s____ ____ work in the cities.

根据提示填空（每空一词）
My daughter was more understanding, although she also felt sad to p____ ____ (交出、失去)
 certain toys.

根据提示填空（每空一词）
Children have learned to read and ____(数数) at my old primary school since the mid-20th ____ (世纪)。

根据提示填空（每空一词）
许多动物只在晚上醒着，所以这是观看它们的最好时间。
A lot of animals only wake up at night, so this is the best ____ ____ watch them.

根据提示填空（每空一词）
新加坡是一个说英语的国家，因此它也是一个练习你的英语的好地方！
Singapore is an ____country, so it’s also a good place ____ practice your English!

根据提示填空（每空一词）
天黑时去动物园可能看起来很奇怪。
____ might seem strange ____ go to a zoo when it’s dark.