[ 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:
Adjective & Adverb › ViewIdentify the adjectives. The old car will need new tires soon.
A. old, new
B. cars, tires
C. need, soon
D. will, need
Grammar › View
– How long ago (you / start) _____________________________ painting?
– Ten years ago.
A. have you started
B. did you start
C. has you started
D. did you started
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.
