[ Grammar and Sentence Structure ]
. Select the correct sentence:
A. Everyone must be careful about polluting the air
B. We must all be careful about polluting the air
C. All people must be careful about polluting the air

Random Topics:
The Present Progressive TenseAdjective OrderFuture Tense VerbPresent/Future/Past Simple/Present PerfectSimple Present Tense/be/Present ProgessiveDirect and Indirect QuestionTravel VocabularyModal, Causative Verb & Elliptical StructureGrammar (Adjectives)1st ConditionalOther quiz:
Question Tag › ViewShe has got a lot of books, _________?
A. does she
B. doesn’t she
C. hasn’t she
Adverb › View
Which adverb enhances the sentence properly?
The boy walked . . . . . towards the park to see his grandfather.
A. Angrily
B. Lazily
C. Happily
D. Selfishly
A: ________________
B: No thanks, I am just looking.
A. Can I help you?
B. How can I get to the airport?
C. How about going to the restaurant?
D. What do you think about this?
Prepositions - Conjunctions › View
Patrons who arrive at the theater _____ the show has begun will not be seated until the intermission.
A. wherever
B. into
C. along
D. after
