[ Grammar ]
Choose the correct form: They __________ (to visit) their grandparents every summer.
A. visit
B. visiting
C. visited
D. will visit

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Simple Past Tense and Present Continuous TenseTOEIC Tenses, VerbsDistinguishing Future TensesTransitive and Intransitive VerbInterjections, Tag Questions and Nouns of Direct AddressNouns, Pronouns, Antecedents, and Singular and PluralAdverbial Clauses of Manner and ResultCoordinating & Subordinating ConjunctionsPreposition & GerundRequest with Modal VerbsOther quiz:
Grammar › ViewShe ………. every Saturday with her friends.
A. dance
B. is dancing
C. dances
D. are dancing
Modals › View
We ____ get a permit to enter the park next week.
A. must
B. must not
Grammar › ViewChoose the corrected version of the sentence: “Hiking up the mountain, the beautiful scenery was admired by the travelers.”
A. Hiking up the mountain, the travelers admired the beautiful scenery.
B. The beautiful scenery was admired by the travelers hiking up the mountain.
C. The beautiful scenery, hiking up the mountain, was admired by the travelers.
Modal Verbs › View
He ___ be very tired after working all night.
A. must
B. might
C. can
D. should