New Words：
ahead [əˈhed] adv. 向前地;提前;领先;(时间、空间)向前面，在前面;
Sample Sentences：
Two boys were ahead of us.
I arrived at the theatre ahead of him.
We finished 15 minutes ahead of time.
You need to work hard to keep ahead.
Would you mind if I turn off the radio? -- Not at all. Just go ahead.
New Words：
shake [ʃeɪk]
v.摇(出);摇动;抖动;(使)颤动;抖(掉);摇头
n.摇动;抖动;颤动;颤抖;战栗;哆嗦
shook [ʃʊk] shake的过去式
shaken [ˈʃeɪkən] shake的过去分词
Sample Sentences：
I was shaking like a leaf.
The whole house shakes when a train goes past.
Do people in Italy shake hands when they meet?
He was badly shaken by the news of her death.
She shook it to make sure there was nothing inside.
Shake the bottle well before use.
Give the bottle a good shake before opening.
She gave him a shake to wake him.
New Words：
paddle [ˈpædl]
n.桨；船桨；（机具的）桨状部分；（尤指）食物搅拌器的桨叶
v.用桨划船；蹚水；赤足涉水；狗爬式游泳
Sample Sentences：
It can walk on land, paddle in river.
She shows me how to use the paddle.
I got this side, you paddle on the other side.
A little girl paddled the boat across the river.
New Words：
search [sɜːrtʃ]
n.搜索；检索；搜寻；查找
v.搜索；搜寻；查找；搜查
Sample Sentences：
Eason joined the search for the missing boy.
Mark has never given up the search for his son.
The next morning she was up at seven and ready to begin the search.
They searched far and wide for the missing child.
We searched everywhere but we still couldn't find it.
Firefighters searched the buildings for the missing child.
New Words：
spot [spɒt] n.斑点；污迹；污渍；脏点；地点；场所
Sample Sentences：
His jacket was covered with spots of mud.
She was wearing a black skirt with white spots.
The baby's whole body was covered in small red spots.
This is a beautiful spot for a picnic.
He found a perfect spot to go fishing.
This cross marks the spot where she died.
They are building their house at a beautiful spot.
This is the very spot where the accident happened.
I phoned Eason to tell him someone found our secret spot.