[ Grammar ]

A new flu vaccine _____ in the USA.

A. Has been found
B. Has been finding
C. Is found
D. Has found

Select your answer:

Random Topics:
Embedded QuestionsIndefinite PronounLay vs. Lie

Next quiz: Lay vs. Lie

I … down to sleep when he called me.

(a) lay
(b) laid

How to use : Read the question carefully, then select one of the answers button.

Tips : If this page always shows the same questions, make sure you correct the question first by pressing the "check answer" button.