The temperatures in the poles are changing drastically.
A. Simple Present Tense
B. Present Progressive
C. Simple Past
D. Present Perfect

Random Topics:
Question WordsPerfect Tenses of VerbsConjunctions & InterjectionsPresent and Past TensesPast Progressive TenseQuantifiers & Modals of ObligationPassive Voice & TensesVerbs + Infinitives / GerundsVerb Types and TensesNouns FormationOther quiz:
Grammar › ViewBecause you have done outstanding work throughout the years in this institution, ___ chosen valedictorian by your group.
A. you have
B. have been
C. you have been
D. since you have been
Grammar › View
Is there a broom in the kitchen?
A. No, there isn’t.
B. Yes, there are.
C. Yes, there is.
D. No, there are.
Future Tenses › ViewA: _____________ me?
B: I’m sorry, I don’t love you.
A. Will you marry
B. Are you going to marry
C. Will you be marrying
D. Will you have been marrying
Tenses › View
. What is the correct question form for: ‘They (play) basketball every weekend?’
A. They does play basketball every weekend?
B. Do they plays basketball every weekend?
C. Do they play basketball every weekend?
D. They play basketball every weekend?
