Neither of the flowers is beautiful.
两朵花都不好看。
Neither of them is teacher.
他们俩都不是老师。
Neither story is interesting.
两个故事都没有趣味。
Neither answer is right.
两个答案没有一个是正确的。
I like neither school – bag.
两个书包我都不喜欢。
3. Dig a hole large enough for the tree.
给树挖一个足够大的坑。
enough“足够的”，修饰形容词或副词时，要放在被修饰词之后；修饰名词时，可以放在名词前也可以放在名词后。
My brother has enough money /money enough to buy his own car now.
我兄弟有足够的钱可以买一辆自己的小汽车。
He is tall enough to reach the apples on the tree.
他够高的了可以够到树上的苹果了。
Li Ming is studying hard enough to catch up with other students.
李明学习很努力可以追上其他同学了。
4. Knock a long, strong stick into the earth in the hole.
在坑里插入一根长而粗的棍子。
knock sth. into… 把……插进（钉进）……，knock at (on) 敲……；另外knock into可以表示“碰撞”解。例如：
Don’t knock the nail into the chair.
不要把钉子钉进椅子里去。
Listen! Someone is knocking at (on) the door.
听！有人在敲门。
The young man knocked into me yesterday.
昨天那年轻人撞了我。
5. Made sure that it is straight.
确保树是直立的.
make sure表示“弄确实；核实；查证”。make sure常用于祈使句，后面常接that宾语从句或of介词短语。Make sure + that从句意为“弄明白；确信”。Make sure + of + 代词/名词，意思也是“弄明白；确信”。例如：
— Make sure of his coming before you set off.
— I make sure (that) he would come.
— 出发之前要确定他是否来。
— 我确信他会来。
另外，be sure + 不定式大多数情况下也用于祈使句，表示“务必；一定要；不要忘记”。
例如：
Be sure to come to our party if you have time.
如果有时间的话请一定来。
Be sure to finish the work as soon as possible.
请务必尽快完成这项工作。
6. Tie the tree to the top of the stick to keep it straight.
把树系在棍子的顶部让他直着。
(1) tie v.“系上”；n.“领带，领结”；tie…to…意为“把……系在……”。
She tied his horse to a tree by the road.
他把马拴在路旁的一棵树上。
She bought a tie for her husband yesterday.
她昨天给她丈夫买了条领带。
(2) to keep it straight 是动词不定式，在句中作状语，表示捆树的目的。keep it straight 为“动+ 宾 + 宾补”结构，如：
Youd better keep your room clean. 你最好使你的房间保持清洁。
Dont touch the machine. You must keep yourselves away from any danger. 别动机器，你该保证自己的安全。
7. But more “Great Green Walls” are still needed, a
