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

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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:
Adjectives & Prepositions › ViewI’m a bit nervous …. going somewhere so different.
A. about
B. of
C. to
Past Tenses › View
The orchestra for about ten minutes when a man in the audience shouting.
A. was playing- started
B. had played- started
C. played- started
D. had been playing- started
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