[ Subject-Verb Agreement ]
My mother has ____ (do) a lot of important stuff for me.
A. Do
B. Does
C. Doing
D. Done

Random Topics:
Gerunds and InfinitivesPresent Simple x Present ContinuousCommasPronouns, Sentence Structure, and Figurative LanguageWill & Be going toMixed ConditionalsVerbs & Verb TensesActive vs. Passive VoiceCorrelative Conjunction & Complex SentencesDependent PrepositionOther quiz:
Modal Verbs - Obligation › ViewYou …………. drive so fast; we have a lot of time.
A. don’t have to
B. doesn’t have to
C. mustn’t
Reported Speech › View
John often says he _______ boxing because it _______ a cruel sport.
A. does not like / is
B. not liked / had been
C. did not like / were
D. had not liked / was
Grammar › ViewThe knee is the joint …………… the thigh bone meets the large bone of the lower leg.
A. when
B. where
C. why
D. which
Conjunction › View
Siti says we should eat enough … be healthy.
A. to
B. in order to
C. so that
D. although
