[ Tenses ]
The acid rain ____ damage to forests over the years.
A. has caused
B. causes
C. is causing
D. will cause

Random Topics:
Grammar: so and suchCoordinating ConjunctionsNouns FormationArticles & Compound NounsPast Simple & Past PerfectHelpful Phrases Simple Present and Simple PastPassive Modals, Impersonal PassivePossessive AdjectivesDo / Have / Can - Basic QuestionsOther quiz:
Grammar › ViewDespite the bad weather, she (go) for a run.
A. go
B. goes
C. went
D. gone
Grammar › View
That ___________________ ears are huge!
A. elephant’s
B. elephants’
Vocabulary › ViewIf your friend is ……. you have to be there for her and make her fell happy.
A. gloomy
B. famine
C. odds
D. perilous
Grammar › View
Which ordinal number below is spelled correctly?
A. 1st = onest
B. 3rd = third
C. 4th = forth
D. 10th = teenth
