5. It's located near the middle school and in a decent neighborhood.
房子位于中學附近的好地段。
還能這樣說：
It adjoins the middle school and has a good neighborhood.
The surrounding around here seems to be nice and quiet and there is a middle school near it.
應用解析：
decently dressed 衣著體面的；
behave decently 規規矩矩地辦事；
quite a decent fellow 很規矩的人
6. It is the just time to buy a house.
這是買房子的好時機。
還能這樣說：
You need to buy a house at this time.
It's wise to buy a property nowadays.
應用解析：
just as they were 恰好如此，照原樣；
just now 剛才，前一會兒；現在，這會兒；
just so 正是那樣
7. What is the minimum amount of down payment that is required?
首期付款的最少金額是多少呢？
還能這樣說：
How much should we pay for the down payment at least?
What is the minimum payment for the down payment?
應用解析：
an amount of 相當數量的；一些；
be of little amount 不重要；無價值；
in amount 總之，結局；總計；
in large amount 大量地；
never amount to anything 一事無成
8. We can afford to buy a house on mortgage.
我們可以按揭買房。
還能這樣說：
We can have a mortgage purchase.
Mortgage purchase is available to us.
應用解析：
can't afford to buy sth. 買不起……
can't afford to waste sth. 浪費不起