[ Grammar ]
One combination is not possible: Run out of
A. time
B. air
C. clean water
D. generation

Random Topics:
Articles and DemonstrativesTimeHow much or How many?Subordinating ConjunctionFuture Continuous, Future Perfect and Future Perfect ContinuousPerfect and Past TensePast Simple, Past Continuous, Past PerfectComplex PrepositionsComparatives - SuperlativesConditionals 1,2,3Other quiz:
First Conditional › View__________ to the beach tomorrow if it is sunny.
A. We will go
B. We go
C. We will goes
Modal Verbs › View
His car is not in the driveway. He ___ already left for work.
A. must
B. might
C. can’t
Idioms › ViewPut the milk in the fridge or it will go ___.
a. out
b. off
c. down
Grammar › View
Be careful, ………. you’ll make grammatical mistakes.
A. Or
B. But
C. And
