________ 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
Poor Tim is too nervous to start his speech. Someone should remind him________.
A. how to talk B. whether to speak C. what to say D. when to tell
