[ Grammar ]
Tracy and Tom _______________ playing tennis for an hour.
A. have been
B. has been

Random Topics:
Punctuating ClausesPast Simple and Past ContinuousVerb Forms and PrepositionsHomophone & HomonymPast Simple and Past ProgressiveCommon ErrorSo or SuchVerb Tenses and Past ParticiplesModals of Necessity and Suggestionmust/shouldOther quiz:
How many / How much - Is there / Are there › View________ any books on the shelf?
A. Is there
B. Are there
C. When
D. How
Grammar and Vocabulary › View
The party is going to be in June, although they haven’t …… a date yet.
A. counted
B. set
C. reserved
D. equipped
Grammar › ViewWhich sentence is written correctly?
A. The team went to the game but, they were not prepared.
B. The team went to the game, but they were not prepared.
C. The team went to the game but they were not prepared.
Perfect Tenses › View
Their new CD only came out last week, but thousands of copies………..already
A. have been sold
B. has been sold
C. has been sell
D. have sell
