[ Present Tenses ]
A group of scientists are travelling around Africa. How many countries _____ so far, I wonder?
A. have they been visiting
B. do they visit
C. they have visited
D. have they visited

Random Topics:
Will and Will notVerb Tenses and Past ParticiplesPersonal PronounPast PassiveHave as verb and auxiliaryPast Simple VerbsProgressive TenseVerb PatternsPassive Voice in Past Simple TenseNoun, Verb, AdjectiveOther quiz:
Grammar › ViewUsed to compare two things
A. among
B. between
Grammar › View
Which sentence is written correctly?
A. As I told you, the test is tomorrow.
B. As, I told you the test is tomorrow.
C. As, I, told you the test is tomorrow.
D. As I told you the test, is tomorrow.
Phrasal Verb › Viewrefuse an offer
A. Turn away
B. Turn off
C. Turn down
D. Turn in
Would/would like - affirmative/negative › View
He _ go to the beach if it were hot outside.
A. would
B. wouldn’t
