Topics: Grammar and Vocabulary
The __________ of outer space is a very expensive activity.
A. weightlessness
B. colony
C. exploration
Select your answer:

Random Topics:
Active and Passive Gerunds and InfinitivesPassive with ModalsGerunds/InfinitivesPresent simple, Present continuous, Singular, PluralModals VerbsGrammar - either...or, neither...norSubject, Object, Possessive Pronoun and Possessive AdjectivesAdjectives, ING - EDPerfect ModalsGerunds and ModalsOther quiz:
Grammar › ViewSelect the sentence that contains the correct form of the verb “become” in past tense.
A. She become a better person.
B. She becomes a better person.
C. She became a better person.
D. She becomed a better person.
Mixed General Quiz › View
He was ___ to help the children read.
a. scent
b. sent
c. cent
