at the sight of；base on；be aware of；butterflies in one's stomach；burn up；come across；depend on；in particular；leave an impression on；look forward to；make the most of；play safe；refer to；turn around；wind up

（1）Fragile goods，

in particular

in particular

glasses，need special packing，otherwise they're easy to go broken on arrival.
（2）People around the world

were

were

not well

aware of

aware of

the importance of keeping the balance of nature until they suffered the severe natural disaster.
（3）Billions of single-use plastic straws are thrown out every year and then

wind up

wind up

in our oceans and on our beaches，polluting the environment.
（4）

At the sight of

At the sight of

his strange clothes and awkward behavior，we couldn't help laughing.
（5）While you worry about being left out or having to be alone sometimes，other people have learned to enjoy loneliness and

make the most of

make the most of

it.
（6）I stood on the starting line trembling with

butterflies in my stomach

butterflies in my stomach

.My heart felt as if it were going to burst.
（7）"Where are you from？"

Turning around

Turning around

，I saw a wrinkled face of an old lady with a kind smile，standing behind me.
（8）My family are

looking forward to

looking forward to

the moment when we can go back to the wonderland again.
（9）Whenever I

come across

come across

an interesting story online，I will share it with friends on WeChat.
（10）After

referring to

referring to

a lot of literature at all times and in all over the world，the author made a detailed exposition（論述） on his research.
（11）An increasing number of young people today

depend on

depend on

their parents for financial support despite working because they don't have enough money to pay high housing prices.
（12）The lady was elegant and her speech was passionate，which

left an impression on

left an impression on

the audience present.
（13）Meteors （流星） or "shooting stars" produce flashes of light and usually

burn up

burn up

before they reach the ground.
（14）Harmonious couples usually

base

base

their relationship

on

on

mutual independence.
（15）

Play

Play

it

safe

safe

and make sure the eggs are thoroughly cooked.Otherwise，you may run the risk of bellyache.