One of the biggest worries of our time is how ...

One of the biggest worries of our time is how …… the earth’s resources …… .

A. meking / lasting

B. make / to last

C. to make / last

D. to have made / lasted

E. having made / to last

Select your answer:

Other quiz:

Modal Verbs › View

… you like to come to a party with me?

A. Must

B. Should

C. Would

Grammar › View

Julia’s father ___ brother fly a kite.

A. so

B. and

C. because

D. but