f us was good at swimming, so thecrossing of this dangerous river was really a_________.

What do you _______ Chai Jing’ documentary(纪录片)“Under the Dome”

How can I apply for an online course? — Just fill out this form and we _______ what we can do four you

He always works hard, but__________, hedidn’t pass the exam.

Nowadays more young people have suffered from diabetes __________ it is generally realized