[ Present Perfect Continuous ]
They___________ been _____________ very hard. They have lost weight.
A. has… exercising
B. have…exercising
C. had…exercising
D. having…exercising

Random Topics:
Verbs - third personAdverbial Clauses of Manner and ResultPresent Simple and Continuous TenseNouns, Articles, DeterminersAdverb of TimeTypes of Sentence StructuresModal Verbs & Perfect InfinitiveFuture Tense (will/be going to/p.continuous)Vocabulary, Adjective & PrepositionPast simple - Irregular VerbsOther quiz:
Passive Voice in Past and Present Tense › ViewA child from a poor family __________ to work.
A. was force
B. was force
C. were forced
D. was forced
Conditionals › View
If babies are hungry, they _______________.
A. cry
B. cried
C. had cried
D. cries
Some vs. Any › ViewThe glass is empty. …………………………………. drank my orange juice.
Somewhere
Nobody
Somebody
Anybody
Grammar › View
Which of the following two is a fragment?
A. It is easy to find a parking space in downtown Meriden on most weekends.
B. Driving in Meriden on Interstate 691 during rush hour.
