Topics: Vocabulary & Grammar
They spend a lot of time doing ___.
A. experiments
B. experiment
C. experimentations
D. experimenting
Select your answer:
Random Topics:
Modals for Ability, Possibility and PermissionDegrees of AdjectivesSecond Type ConditionalPast simple regular verbsThere is or There areDirect-Indirect SpeechNo Excuse Words / Conjunction SODistinguishing Future TensesAdverb of MannersGrammar and PunctuationOther quiz:
Grammar › ViewAnna will _____ here soon.
A. be
B. is
C. am
D. was
Grammar › View
There is no ______ that the Nile is the longest river in the world.
A. deny
B. denial
C. denied
D. denying