The __________ of outer space is a very expensive activity. ...

[ Grammar and Vocabulary ]

The __________ of outer space is a very expensive activity.

A. weightlessness

B. colony

C. exploration

Select your answer:
A B C D E

Other quiz:

Verb Tenses › View

What is the present tense form of the verb ‘see’ for the pronoun ‘she’?

A. see

B. sees

C. saw

D. seeing

Quantifiers / Prepositions of Time and Comparative Adjectives › View

This movie is _______ than the one we saw last night.

A. more exciting

B. exciting

C. excitinger

D. excitinger than