[ Present Perfect Simple ]
Which auxiliary do we use for I / YOU / WE / THEY
A. Have
B. Has

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Grammar › ViewPaper was invented ______ China.
A. on
B. was
C. is
D. in
Gerund vs. Infinitive › View
The plan accepted by the committee involves a tax cut.
A. Gerund
B. Participle
C. Verb
D. Infinitive
Choose the correct form of the word in parentheses: They were playing (fun)…………. games all summer long, but then came autumn and each pig wanted to build a house.
A. funly
B. fun
C. funnest
Modals of Obligation & Prohibition › View
You _____ smoke in the hospital.
A. have got to
B. mustn’t
