g _ o _ a l w a r_ _ _ g ( ấm lên toàn cầu)

(a)  

p _ l l _ t _ _ _ ( sự ô nhiễm)

(a)  

t e m _ _ r _ t _ r e (nhiệt độ)

(a)  

h _ b _ t a _ (môi trường sống)

(a)  

d e s _ _ u c _ _ o n ( sự tàn phá hủy diệt)

(a)  

r e _ y _ _ _ ( tái chế)

(a)  

e n d _ _ g _ _ e _ s _ e _ i _ _ ( những động vật có nguy cơ tuyệt chủng)

(a)  

c a r _ _ _ d _ _ x _ d e ( khí CO2)

(a)  

m _ l _ _ n g i _ _ ( băng tan chảy)

(a)  

If I go to the park, I (a)  

(play) basketball with my friends.

If you invite us to the party, we .............

................... (come).

(a)  

If we cleaned up the beach, we (a)  

(enjoy) swimming there.

If global warming (a)  

(continue), many animals will become extinct

If we (a)  

(be) free on Sunday, we would take part in

our town’s Clean-Up Day.

If he (a)  

(not/leave) the lights on all the time, he

would save a lot of energy.

Our planet wouldn’t have so many problems

if we all (a)  

(learn) to respect it

If they (a)  

(ban) cars from the downtown area, the air

wouldn’t be so polluted

If you need information about local

environmental groups, I (a)  

(help) you find it

If Phillip saw this stray cat, he (a)  

(take) it home with him.