On reaching home, I discovered that I ____ my keys at the office

同学们都在忙着准备考试。

足球是一项培养孩子跟别人合作的运动。

汤姆每天下午打篮球。

你应该听老师的话。

Hopefully these types of gyms will successfully grow in numbers in the future.

请带把雨伞以防下雨。

No one claimed responsibility.

The team paid him only $15 a week.

They often use text messages to stay in touch with customers.

He was healthy and strong, but he had very little formal education.