[ Grammar ]
Trees are very important. We shouldn’t _____.
A. cut them down
B. cut it down
C. cut down them
D. cut down it

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Will, Be going to, Present ContinuousRelative Clauses beginning with PrepositionsModal Auxiliary VerbsLexico and GrammarVerbs � Nouns � Adjectives - AdverbsQuantifiersPassive to ActivePast Simple and Past ContinuousPrepositions and ArticlesGrammar: AgreementOther quiz:
Present Tense › ViewThey ________ some books from the bookstore.
A. buy
B. buys
C. buying
D. to buy
Grammar › View
Susan ____________ drink milk when she was young.
A. didn´t use to
B. use to
C. has
D. was