[ 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:
Passive Voice › View___________________________. yet?
A. Have the letters been typed
B. Have been the letters typed
C. Have the letters typed
D. Had the letters typed
Articles › View
I will see you in ___ afternoon. Please wait for me.
A. a
B. an
C. the
D. X
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