先通读下面短文，掌握其大意，然后从各题所给的A、B、C、D四个选项中选出可以填入相应空白处的最佳选项。

Do you often smile? Do you like a smiling face?

Smile is very nice. It lets us feel warm in ___（1）___ hearts. Smile is important. When you are sad, make a big smile, and it can make you happy again. When you are worried, make a big smile, and it can help you keep cool again. When you aren’t successful, make a big smile and it can ___（2）___ you to try again and work harder.

Smile is very easy, but it is very ___（3）___. So let’s learn to smile. Everyone ___（4）___ smiles. When we give others a smile, we can feel happy, too. When you ___（5）___ others’ smiling faces, you can feel warm.

Let’s smile every day. Don’t you think so?

（1）

A．

his

B．

your

C．

our

D．

her

（2）

A．

take

B．

have

C．

play

D．

help

（3）

A．

useful

B．

thankful

C．

hopeful

D．

awful

（4）

A．

does

B．

buys

C．

watches

D．

needs

（5）

A．

make

B．

see

C．

give

D．

do