[ 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:
Grammar › ViewWhat _______ this evening?
A. do you do
B. are you doing
C. is you doing
D. will you doing
Grammar › View
My brother ________ at the bus stop when I ________ him this morning.
A. waited – was seeing
B. were waiting – saw
C. was waiting – saw
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
