[ 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:
Passive Voice › ViewShe sang a song.
A. Was sung by she
B. She was sung a song.
C. By her the song was sung.
D. A song was sung by her.
Gerunds + To Infinitive › View
She is very bad……. Maths
A. at
B. on
C. of
D. in
Grammar › ViewDo 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