We can never expect bluer sky unless we create less polluted world.

We can never expect         bluer sky unless we create         less polluted world.

#10522

a; a

a; the

the; a

the; the

推荐题目

We had to spend three more hours waiting in ______cafe at the airport because _______ flight was delayed.

#8505

a; the

不填; the

the; 不填

a; a

The manager has _____ difficulty in finding a man to take _______place of the secretary

#8312

a; the

the; 不填

不填；不填

不填；the

 --- Do you take ______ sugar in your tea? --- I used to, but now I’m on ______ diet. I’m trying to lose weight.

#10002

the; the

不填; a

不填; 不填

the; a

What date is it?   _____.

#10352

first of May

May first

May the first

B and C

Women have ____ equal say in affairs at home.

#10050

any

some

共2943题