[ Grammar ]
The problem ______.
A. has been solved
B. have being solved
C. was solve
D. has being solved

Random Topics:
Present simple or Past simpleModal Verbs and Contrastive ConjunctionsModals and PhrasesSimple Past Tense & Future TensePast Tense vs Present Perfect TensePresent Simple & Present Progressive TenseThe Structural Types of SentencesTransportation VocabularyConditional Sentences Type I, IISubject/Verb Agreement with Collective NounsOther quiz:
Similes and Body Idioms › ViewWhat does “pretty as a picture” mean?
A. something is ugly
B. something you have a picture of
C. something is beautiful
D. something is in the shape of a frame
Antonyms › View
Afternoon stroll*
A. Walk
B. Pond
C. Sun
D. Run
Do you know the student
A. which won the competition?
B. who won the competition?
C. whose competition won?
D. whom competition won?
Sentence Structure and Grammar Rules › View
Complete the sentence: I don’t like ice cream, and ___ does my brother.
A. nor
B. so
C. neither
D. but
