[ Grammar ]
It _____ working.
A. am not
B. is not
C. are not
D. not

Random Topics:
Have to/Has toBare Infinitive and To InfinitivePast ParticipleCan vs CouldPresent, Past and Future TenseRelative - ConditionalModals Posibility and ProbabilityPassive Modals, Impersonal PassiveVerb Tense, Pronouns and AntecedentsSimple Past Tense (was/were)Other quiz:
Grammar › ViewThey ………………………………very fast when the car hit the tree.
A. was driving
B. were driving
C. drove
Prepositions › View
Identify the preposition in the following sentence:
You have to wait for the green light.
A. you
B. to
C. for
D. light
Vocabulary › ViewAt right angles to a horizontal plane; in a direction, or having an alignment, such that the top is directly above the bottom is the definition of what word?
A. upright
B. vertical
C. perpendicular
Grammar › View
Select the correct spelling.
A. karbon
B. carbon
C. carbone
D. carbonne
