this復(fù)數(shù)形式

　　例句：

　　1.These injuries were avoidable.

　　這些傷病本是可以避免的。

　　2.These questions frustrated me.

　　這些問題使我懊喪。

　　3.These shoes buckle at the side.

　　這雙鞋從旁邊上扣。

　　4.These houses are soundly built.

　　這些房子蓋得結(jié)實(shí)。

　　5.These peaches are still firm.

　　這些桃子還很硬。