— I have failed. I really don't know why I did so badly.
—________ Just try to do it better next time.
A. Look out！ B. Don't lose heart！ C. You're hopeless. D. Can't you be more careful?
________ I got on the bus, he got off.
A. As B. While C. Until D. Till
Not only the kids but also the teacher ________. We are worried because time is running out.
A. has lost B. has gone missing C. have lost their way D. have disappeared
My father has a habit of jogging ________ the Dongcheng River for an hour in the evening.
A. against B. beyond C. through D. along
It is said that the terrible weather will ________ for another week.
A. last B. change C. stay D. become
Frank often wears a mask ________he can keep fit in the foggy and hazy (霾) weather.
A. only if B. until C. so that D. even though
