[ Mixed Tenses ]
While Peter _______ the rose bush in the back yard, the phone rang.
A. had been watering
B. watering
C. was watering

Random Topics:
Simple Past/Past ProgressiveTenses and Verb FormsActive and Passive Gerunds and InfinitivesPunctuationsModals for Necessity and SuggestionsSimilestake, make, doPresent Perfect Simple vs ContinuousSubject/Verb Agreement with Collective NounsPronounsOther quiz:
Grammar › ViewWhat is he doing?
A. Doing his homework.
B. He are going to do his homework.
C. He do his homework.
D. He’s doing his homework.
Adverbial Clause of Manner › View
One of the candidates for the new position talked about his expertise _____ he was interviewed by the board of directors.
A. as
B. if
C. as if
Personal Pronouns › ViewThe children are swimming at the pool. Their parents are watching (看着) ________ by the pool side.
A. You
B. Us
C. Them
D. They
Vocabulary › View
At the ___________ moment, there is a strict tardy policy in place at Lincoln Park Middle School.
A. current
B. petulant
C. radiant
D. tedious