[ Grammar ]
Visitors to the zoo _____ feed the animals.
A. have to
B. don’t have to
C. must
D. mustn’t

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Conditionals and Modal VerbsPast Simple (to be)Present Perfect Simple & Present Perfect ContinuousAdjective & AdverbsDefinite and Indefinite ArticleHow much and how manyTransportation VocabularyVerb ConjugationParts of SpeechPresent and Past TensesOther quiz:
Grammar › ViewMy uncle wore a ……… to the wedding
A. Silk blue tie
B. tie blue silk
C. blue silk tie
Asking and Giving Opinion › View
Siwon: Afterschool Herman feels very tired and he gets dizzy.
Sonia: I think___________ And if it’s not necessary he doesn’t leave the bed.
A. You must go to school.
B. You have to take him to the hospital.
C. He should lie down and have bed rest time.
D. She would take rest.
E. He can see the doctor now.
Conjunctions and Sequence Connectors › View____ the weather was bad, we went for a hike.
A. Because
B. Although
C. So
D. Since
Grammar › View
The last time I saw her was in 2015. It is 2019 now.
A. I haven’t seen her for 2 years.
B. I haven’t seen her since 2015.
C. I last saw her in 2019.
D. I have seen her since 2015.
