单句语法填空
1．(2016·浙江卷)A sudden stop can be a very frightening experience, ___________ (especial) if you are travelling at high speed.
答案：especially
2．(2018·银川一中模拟)Another possible reason is that on average, the British people don’t take themselves too ___________ (serious)．
答案：seriously
3．(2018·长春市实验中学模拟)In each case, the weight of the glass doesn’t change, but the ___________ (long) I hold it, the heavier it becomes.
答案：longer
4．(2018·黑龙江哈六中月考)Of the two sisters, Betty is the ___________ (young) one, and she is also the one who loves to be quiet.
