[ Vocabulary ]
two objects rubbing together, one object slows down
A. motion
B. stop
C. force
D. friction
Random Topics:
Past TensesPast or Present Verb TensePresent Continuous, Present Perfect and Used toSimple Past or Past ContinuousTenses and Sentence CompletionRelative Pronouna, an, the, zero articleCompound AdjectivesIf ConditionalsSubject-Verb AgreementOther quiz:
Conjunction › ViewThey played _____ it was dark.
A. until
B. unless
C. while
Grammar › View
I’m not buying that. It’s ______ expensive
A. too
B. enough
C. too very
D. too much
________________ her lack of hard work, she was promoted.
A. Because
B. Even though
C. In spite of
D. Despite of
Grammar › View
It’s amazing what they can make with a ______________________. I hear they can even make artificial body parts!
A. electronic translator
B. smartwatch
C. 3D printer
D. wireless headset