[ during, for, while ]
She has been sleeping ___ ten hours.
A. during
B. for
C. while

Random Topics:
Simple Present Negative and QuestionSimple Past ContinuosHas and HaveModal RequestsFuture FormsFuture Perfect vs Future ContinuousAdverbs or AdjectivesModals in the PastModal Verb, Passive VoicePast Perfect Tense and Past TenseOther quiz:
Grammar › ViewThe fog ____ thicker and thicker and we were scared.
A. was getting
B. would get
C. had got
D. had been getting
Subject-Verb Agreement › View
My parents ____ (get) my name from the Russian leader named Mikhail Gorbachev.
A. Gets
B. Getting
C. Got
D. Has got
Do you mind closing the window?
A. Will
B. Could
C. Would
Grammar › View
We decided…….our holiday on a Spanish beach.
A. have spent
B. spend
C. to spend
D. spending
