[ 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 Tags › ViewWe will meet at the airport on Sunday, _____________?
A. won’t we
B. will we
C. do we
D. don’t we
Determiners › View
There is _____ rice on the dish.
A. a few
B. a little
Grammar › ViewA: ________________
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
