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:
Reported - Gerund › View“ Don’t touch that flower!” the old lady said to the boy.
A. The old lady wanted the boy not touching that flower.
B. The old lady insisted the boy on touching that flower.
C. The old lady warned the boy against touching that flower.
D. The old lady congratulated the boy on not touching that flower.
Grammar › View
Choose the correct past tense form of each verb to complete the following sentence.
We had _________ to the ranger before the hike.
_____
A. spoken
B. speaken
Relative Clauses › ViewDo 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
