[ 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 Verb › ViewPeter has been working for 10 hours. He _______ be very tired now.
A. must have
B. must
C. mustn’t
D. needn’t
Grammar › View
What time … home from work?
A. Have you got
B. Did you get
C. You got
D. Did you got
The 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
