[ Subject Verb Agreement ]
No one _____ the problems of gingivitis, a gum disease.
A. understimate
B. underestimates

Random Topics:
Parts of SpeechIndependent and Dependent ClausesPassive Voice, Question Tag, PrepositionsThings in EnglishClauses and ConjunctionsPresent Perfect Simple & Present Perfect ContinuousTenses of Verbs - UsagePreposition and Word FormCommasModalsOther quiz:
Tenses › ViewI didn’t find Paul
A. Present Simple
B. Present Continuous
C. Past Simple
D. Past Continuous
Can vs Could › View
I _____ ride a mountain bike easily. I usually go biking every morning.
A. can
B. can’t
C. could
D. couldn’t
Past Tense › ViewYesterday morning, she (go) …. down the hill and (see) …. a deer.
A. goed – seed
B. goed – saw
C. went – saw
D. went – seed
Grammar › View
I…born in Kendari
A. was
B. were
C. is
D. are
