[ Vocabulary ]
to apply
A. friction
B. gravity
C. exert
D. force

Random Topics:
Conditionals Type IIrregular AdjectivesModals, Infinitives and GerundsSuch...that, so ......thatCoordinate ConjunctionPast Simple and Past ProgressiveAction VerbFuture Continuous, Future Perfect and Future Perfect ContinuousAdjectives-Comparison, SuperlativeSimple Present - WH QuestionsOther quiz:
Grammar › ViewCupid is the most famous ___ of Valentine.
a. symbol
b. sign
c. motif
d. hint
Grammar › View
Which word is a verb?
A. same
B. cat
C. red
D. find
The meeting begins at 9 p.m. I _____ come earlier. (not necessary)
A. mustn’t
B. must
C. shouldn’t
D. don’t have to
Grammar and Sentence Structure › View
. Select the proper verb form:
A. Trees helps clean the air
B. Trees help clean the air
C. Trees helping clean the air
