Determine whether the underlined word(s) is the helping verb(s), main verb, or verb phrase.
The snake might hiss when threatened or trapped.
_
A. helping verb(s)
B. main verb
C. verb phrase
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Conditional 0Past Perfect Simple TensePresent Progressive or Present SimpleTenses, Tag Questions, Phrasal Verbs-ing &-ed AdjectivesAdjective, Adverb, and Noun FormsGrammar ClausesModals of Speculation and DeductionFrequencyQuantifiers with NounsOther quiz:
Grammar › ViewA：Hey, I got a good grade on the science test. B：That’s great. A：I think（覺得）I could do well（好地）on the test all ＿＿＿ you.
A. through
B. because of
C. because
D. by
Conjunctions and Commas › View
Choose the sentence that uses a coordinating conjunction correctly.
A. I wanted to read a book, but it was too noisy.
B. I wanted to read a book but, it was too noisy.
C. I wanted to read a book, it was too noisy but.
D. I wanted to read a book and, it was too noisy.
Grammar › ViewYou_______ feed the animals. It’s forbidden.
A. can
B. don’t have to
C. mustn’t
Tenses › View
Select the sentence in the present perfect continuous tense
A. She has finished her homework.
B. I have been finishing my homework.
C. They will finish their homework tomorrow.
D. I finish my homework yesterday.