[ Modals ]
Employees must not / could bring their pets to the office. Sorry, but it’s the rule.
A. must not
B. could

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If Clauses › ViewIf the temperature falls, _______ to turn up the heating.
A. forget
B. didn’t forget
C. don’t forget
D. won’t forget
Vocabulary › View
A possible meaning for “invisible” could be”
A. can be seen
B. transparent
C. cannot be seen
D. tangible
Conditional Sentences › ViewIf it ____, we would stay indoors.
A. rains
B. rained
C. will rain
Question Tags › View
Those rich guy will help the poor guy, …?
A. will he
B. won’t he
C. doesn’t he
D. don’t he