根据提示填空（每空一词）
杰克过去很忙，以至于没有关心他儿子是如何学习的。
Jack ____ ____ be too busy to care about how his son studied.

根据提示填空（每空一词）
He ____ (weight) only 70 kilos now after taking a balanced diet.

根据提示填空（每空一词）
Please don’t w____water. Can’t you see the sign “Save Water”?

根据提示填空（每空一词）
Nowadays, millions of Chinese leave the countryside to s____ for work in cities.

根据提示填空（每空一词）
All of the students are ____ (suppose) to hand in their homework on time.

根据提示填空（每空一词）
He s____ his old car for＄5,000 yesterday. He wants to buy a new one.

根据提示填空（每空一词）
Dad always tells me not to study only for tests. If that’s all I’m doing, he says, I will soon ____ (失去) interest in learning.

根据提示填空（每空一词）
Could you please ____ (借) me your dictionary?

李博士已经想到了一个真实的例子，明天告诉我们。
Dr. Lee ____ ____ ____ ____ a real example already. He’ll tell us tomorrow. (come)

Why not consider ____ (do) it in another way? Maybe you'll succeed.