[ Grammar ]
Present perfect continuous: How many countries (travel) they to so far?
A. has…been traveling
B. had…been traveling
C. have …been traveling

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Infinitive or GerundSentences vs Run-OnsPersonal Pronouns and VerbAdverbs of Manner, Likes and PreferencesAdjective, Adverb, and Noun FormsComparative Adjectives and AdverbsExpressing Obligation and ModalsPast Perfect vs Past SimplePhrase vs ClausePassive Voice and ModalsOther quiz:
Grammar and Vocabulary › ViewMy great-grandmother has trouble _________________ to our family reunions.
A. get
B. got
C. getting
D. to get
Determiners & Quantifiers › View
We listened carefully to_________word the teacher said.
A. every
B. each
C. all
D. whole
Subject Verb Agreement › ViewSix weeks ____ not enough.
A. is
B. are
Passive Modals, Impersonal Passive › View
Many people ___ redundant, some of whom had worked there for years.
A. was made
B. been made
C. got made
