[ Grammar ]
The gardeners _________ because they take good care of the plants.
A. have a green thumb
B. have a heart of gold
C. bark up the wrong tree
D. have lemon on their hands

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Adjectives and ArticlesSimple Past ContinuosAction, Helping & Linking VerbsThe Present Progressive TenseProgressive Verb TensesFuture Tenses, Conditionals and ProfessionsGrammar, Conditional Sentences, VocabularyInterjections, Tag Questions and Nouns of Direct AddressFOR & SINCETenses and Passive VoiceOther quiz:
Grammar › ViewWhen ______ you start swimming in competitions?
A. did
B. does
C. do
D. have
Tenses Usage › View
The community _____ waste management solutions long before the government got involved.
A. had implemented
B. implemented
C. implements
D. was implementing
Vocabulary › Viewa necessary predecessor
A. Incompatible
B. Catalyst
C. Precursor
D. Synthesis
Grammar › View
I went to my adviser to ask him _________________________________.
A. I should take what courses
B. what courses should I take
C. should I take courses
D. what courses I should take
