. The plane is about to land. You should _____ to your seat.
A. to return
B. return
C. returning
D. to returning

Random Topics:
Grammar and Verb TensesGrammar - to beClause Markers TOEFL GrammarVocab CheckingModals of ProhibitionLinking Verbs and TensesPast Simple (Questions)Present/Past/Future Continuous TenseFigurative Language VocabularyReporting VerbsOther quiz:
Vocabulary › ViewWhat is the meaning of the word ‘suitcase’?
A. A case with a handle, used for carrying clothes or personal items.
B. Walking quietly on the tip of your toes.
C. An act of counting numbers in reverse order to zero.
D. A clear memory of past events.
Modal Verbs › View
The teacher’s explanation was __________________. Nobody understood it.
A. confused
B. confusing
Grammar › ViewIdentify the fragment in the following sentence: ‘Running through the park on a sunny day.’
A. on a sunny day
B. the park on a sunny day
C. Running through the park
D. Running through the park on a sunny day.
Grammar › View
We all adored (do) ………………. aerobics when we were young.
A. do
B. doing
C. to do
D. to doing
