sense of touch prevent...from...be divided into electric shock act as if necessary sleep in out of shape a variety of apply...to...
（1）It is said that our

sense of touch

sense of touch

can help us develop stronger social relationships with each other.
（2）On weekends many young people like to

sleep in

sleep in

.
（3）After the accident，the wheel of the car had been twisted

out of shape

out of shape

.
（4）It was not until the beginning of the 20th century that people learned how to

prevent

prevent

the disease

from

from

spreading.
（5）Students must be encouraged to

apply

apply

what they have learned in class

to

to

practice.
（6）A trained dog can

act as

act as

a guide to a blind person.
（7）England can

be divided into

be divided into

two major regions，the highland zone and the lowland zone.
（8）I brought my finger close to the key，and I felt a light but very clear

electric shock

electric shock

.
（9）Schools in our city provide

a variety of

a variety of

optional classes to cater for students of different levels.
（10）We will use air power to protect UN peacekeepers

if necessary

if necessary

.