[ Present Perfect Simple & Present Perfect Continuous ]
Animal conservation ___ more important in the last 100 years
A. became
B. has become
Random Topics:
Grammar TOEFLGrammar - used toVerb Tense, Pronouns and AntecedentsAlong & AgainstWish - beginnerPossessive Adjectives and Possessive PronounsVerb PhrasesPresent simple, Present continuous, Singular, PluralGrammar Like & Linking VerbDeterminers & QuantifiersOther quiz:
Grammar › ViewBe careful or you ___________ fall.
A. will
B. are
C. are go to
D. are going to
Reported Speech › View
The receptionist said that if I wanted to have breakfast,I ……………………… have to pay extra.
A. will
B. would
C. shall
D. am going to
Communicative Grammar › ViewThey shut down the factory because so many people ——– of dangerous smoke.
A. died
B. were dying
C. are dying
D. had died
Grammar › View
If you were him, you ______ it.
A. would not do
B. wouldn’t have done
C. will not do
D. do