[ Subject-Verb Agreement ]
There (continues, continue) to be much research to add new elements.
A. Continues
B. Continue

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English for TourismTo infinitive - GerundNumbersGrammar - Imperatives and LetPresent or Past TensesModal Verbs of PermissionModals: Possibility, Necessity, ExpectationPronoun & Present SimpleSimple Present and Present Continuous TensesPast Tense (Regular and Irregular)Other quiz:
Grammar › View___ to the train station?
a. How do I get
b. How I get
Conjunctions › View
She is waiting for the school bus ______ it has not arrived.
A. but
B. and
C. or
D. so