Susan decided not to work on the program at home because she didn’t’ want her parents to know what she __________.
I couldn’t . The line was busy.
It is highly desirable that every effort to reuse the pollution in Beijing.
It is said that Tom’s sister fell off her bike on her way to school, _____ in the left leg.
to his research, he spared no time to spend a weekend with us.
A man is often afraid of .