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

Random Topics:
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:
Countable & Noncountable Nouns › View‘Would you like milk in your coffee?’ ‘Yes, please (…)´
A. a few
B. a little
C. any
Grammar › View
The weather is very fine. we can go fishing.
A. The weather is fine enough for us to go fishing.
B. The weather is too fine for we to go fishing.
C. The weather is enough fine for us to go fishing.
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