Mark the choice that correctly fills the blank in the given sentences.
1. I have written a textbook____ African history, and a book for children _____ Africa and its people.
(a) ON, on
(b) on , about
(d) about, about
3. The summit of Everest is ___ 8000 metres ___ sea level.
(a) above, over
(b) about , of
(c) over, above
4. HIs office is ___ the corridor.
5. Switzerland lies___ France, Italy,Austria and Germany,
6. My house is ___ the third crossroads after the bridge.
7. I once studied the guitar ____ three years.
8. Let's try to agree_____a date.
9. What are you so angry ____?
10. We ought to discuss ____ your holiday dates.
(d) no preposition needed.
Solutions :1. On is used to suggest that a book,article,lecture,etc. is serious ,or academic,suitable for specialists..About is used when the information given is more general ,or the style of communication is more casual.
2.(over) .When the meaning is covering or crossing , over is used.
3.(over,above).With numbers,expressions of quantity or measurement, it is more common to use over;above is used when we think about measurement on a vertical scale.
4.(along).Along is used with nouns like road. river,corridor , line: words that refer things with a long, thin,shape.
5. ( between).Between is used when we see the surrounding objects,people,countries,etc.separately.
6.(at). At is used when we talk about position at a point.
7.(for).For is used to say how an action or a situation lasts. IT can be used to talk about the past, present or future.
8. (on). When it is a matter for decision,on is used with agree.
9.(about). Angry with a person,but angry about something.
10. No preposition needed.