[ 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:
Gerunds + To Infinitive › ViewDo you mind …….. the book?
A. to lend
B. if I lend
C. lending me
D. lend
Vocabulary and Grammar › View
Scientists don´t spend all their time _______research in laboratory
A. doing
B. coming up
C. making
Modal Verbs › ViewThe 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