[ Grammar ]

I ______ (study) non-stop ______ 9:15.

A. I have studied non-stop since 9:15.
B. I have studied non-stop for 9:15.
C. I has study non-stop since 9:15.
D. I has study non-stop for 9:15.

Select your answer:

Random Topics:
Zero ConditionalLater vs. LatterRegular vs. Irregular Verb

Next quiz: Mixed General Quiz

The logging industry is carried ___ principally in the Adirondack Mountains.
a. on
b. to
c. in

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.