[ Prepositions of Place ]
My office is ___ the fifth floor.
A. at
B. on
C. in

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Grammar Rules › ViewCorrect the subject-verb agreement in the following sentence: The birds (sing) in the trees.
A. The birds sing in the trees.
B. The birds singing in the trees.
C. The birds sings in the trees.
D. The birds singed in the trees.
Vocabulary › View
Derelict
A. being persistent, stubborn, or obstinate
B. left or deserted, as by the owner or guardian; abandoned
C. settlement of differences or agreement
D. a beat or throb, as of the pulse
Present or Past Tenses › ViewWhat is the correct form of the verb ‘to take’ in past tense?
A. Taken
B. Taking
C. Took
D. Take
Zero and First Conditionals › View
Plants die if they ___ enough water.
A. get
B. don’t get
C. will not get
