[ Grammar ]
Many writers who work for National Geographic magazine _______ accompanied climbing expeditions.
A. Has
B. Have

Random Topics:
Direct and Indirect QuestionIntermediate PrepositionsEd and Ing EndingsGrammar - Compound SentencesSuperlative & Comparative AdverbsAdverbs (manners & modifiers)ConnectivesAsking & Giving Opiniontake, make, doVocabulary : Coming & GoingOther quiz:
Grammar › ViewAfter failing at many attempts, I wanted to give up my dream; however, my father would not ____________ me.
A. hope
B. keep
C. let
D. want
Grammar › View
A We’re on holiday in Berlin next week.
B Oh! _____ there?
___
A. Do you fly
B. Flying
C. Are you flying
Grammar › ViewWhich sentence uses the correct article?
A. A star is born from a cloud of gas and dust.
B. An star is born from a cloud of gas and dust.
C. The star is born from a cloud of gas and dust.
Tenses of Verbs › View
The dogs have been barking all night.
A. perfect
B. progressive perfect
C. progressive
