【单选题】
Something ( ) hung in the air between them.
【单选题】
20. Its impossible for all the people to get jobs because ______ of them are not fit for them.
【单选题】
Electric eels use charges to detect prey and also______them before they eat them.
【单选题】
______ David loves his daughters, he is strict with them.
【单选题】
—He has two brothers and three sisters. Do you know____ of them?—No, I know ____ of them.
【单选题】
Earthquakes ( ) in the region about once a week, without the people feeling them.
【单选题】
The elbows on your coat have worn thin, so I must _____them.
【单选题】
“I haven’t read ____ of the last four chapters, so I know little about them.”
【单选题】
Of course, talking about something which affects them personally is _____motivating for students.
【单选题】
9. Outside, the ______ children were lying naked in the sun with nobody attending to them.