[ Grammar ]
I ___ on this project for days without success.
a. have been worked
b. have been working
c. had being worked
Select your answer:
Random Topics:
Superlative Degree (Adjective) HomophonesAdjective ClausePresent Progressive TensePronouns ( Interrogative )Continuous and Perfect TensesWill or Going toDeterminers & QuantifiersAdverb of Manners
Other quiz:
Present Continuous › ViewWe ___ the apartment because the guests will be here soon.
A. are cleaning
B. is cleaning
C. clean
D. am cleaning
Grammar › View
I must have my keys somewhere. I can remember _____ the door this morning.
A. to lock
B. locked
C. lock
D. locking
How to use : Read the question carefully, then select one of the answers button.