Topics: Conditional Sentence
Trees won’t grow _______ there is enough water.
A. if
B. when
C. unless
D. as
Select your answer:

Random Topics:
Adjectives and PrepositionsAdverbs by TypeModals: Possibility, Necessity, ExpectationAdverb of TimePast Perfect and Past Perfect ContinuousToeic VerbFirst Conditional & Future TensesPast Tense & Past Continuous TenseGrammar: Simple Past and Past ContinuousTypes of PhrasesOther quiz:
Modals › ViewThere is a storm coming. It ________ rain tomorrow.
A. won’t
B. ought to
C. might
D. should not
Verb Tenses › View
She _____ to the store before it started raining.
A. goes
B. had gone
C. is going
D. was going
