[ Grammar and Sentence Structure ]
. Select the proper verb form:
A. Trees helps clean the air
B. Trees help clean the air
C. Trees helping clean the air
Random Topics:
Present Simple PassiveThere is, There are, Some, Anya, an, the, zero articleAdjectives, ING - EDAdverbial Clauses of Reason / CauseHow many / How much - Is there / Are thereObject PronounModal Verb in Passive VoicePrepositions of Location, Movement and TimeIntermediateOther quiz:
Grammar › ViewThe caves are ________ small. We can’t go in.
A. enough
B. too
C. not enough
Grammar › View
Can I get you something ______?
A. to drink
B. drink
C. drinking
D. drinks