They ___ each other for five years by the end of the year.
A. will know
B. will have known
C. will be knowing
D. knew

Random Topics:
PoetryPresent Simple or Present ContinuousSubject Verb Agreement; Indefinite PronounsGerund - to Infinitive Ed and Ing EndingsDegrees of ComparisonSubject-Verb AgreementFamily VocabularyInterrogative Pronouns & Adverbstake, make, doOther quiz:
Simple Past Tense › ViewShe / buy / them / at the new shop.
A. She bought them at the new shop.
B. She buyed them at the new shop.
C. She buy them at the new shop.
Conjunctions › View
——— a middle income country by the world’s standard, the PRC’s rapid growth managed to pull hundreds of millions of its people out of poverty since 1978.
A. In addition to
B. In opposition to
C. Dependent on
D. Although
E. Because
Vocabulary › ViewWhich situation best uses the word ruse?
A. A magician performing a trick to confuse the audience
B. A ballerina dancing gracefully
C. A student studying for an exam
D. A storm passing over quickly
Grammar › View
Tom studied a lot, _________ he didn’t pass the test.
A. and
B. for
C. yet
D. so
