[ Grammar ]
Which word is a helping verb in the sentence: “They have been waiting for the bus for an hour.”
A. have
B. been
C. waiting
D. for
Random Topics:
Continuous and Perfect TensesModals, Conditionals, and Clauses- Defining, Non-definingAdverbs of Frequency & Simple Present TenseComparative Adjectives and AdverbsConjunctions in Complex SentencesPast ModalsPronouns ( Interrogative )Personal PronounPast Perfect or Past Perfect ContinuousPrepositions of Place and TimeOther quiz:
Quantifiers with Nouns › View______ of the two movies is worth watching.
A. Both
B. Many
C. Each
Grammar › View
Neither of the pictures in the exhibition ____ for me, so I left the gallery.
A. appeal
B. were appealing
C. was appealing
D. are appealing
Grammar › View“You can’t come in ____ a ticket,” the man told us.
A. without
B. through
C. by
D. with
Grammar › View
The ocean seems to have no end. It’s so ____________.
A. vast
B. small
C. stormy
D. calm