[ Grammar ]
Has been singing… Is a
A. Noun phrase
B. Verb phrase
C. Prepositional phrase

Random Topics:
Present Simple VS ContinuousGerund, Participle, Infinitive, or AppositiveDependent ClausesGerunds and ModalsFrequencyNouns & PronounsNoun ClauseConditional Sentences Type 1would should couldModal Verbs and PermissionOther quiz:
Relative Clause › ViewWe’d like to buy a house_______ overlooks West lake.
A. which
B. where
C. who
D. whose
Grammar › View
The teachers made the students _________ out the 100 words on a paper.
A. write
B. wrote
C. writing
D. had written
Vocabulary and Grammar › ViewGrandma ___ her photos in a big metal box.
A. keeps
B. happens
C. becomes
Subject-Verb Agreement › View
The patient ___ a history of hypertension.
A. Has
B. Have
C. Had
D. Is