[ Grammar ]
They ______ (travel) in the USA ______ one month.
A. They have traveled in the USA for one month.
B. They have traveled in the USA since one month.
C. They has travel in the USA for one month.
D. They has travel in the USA since one month.

Random Topics:
Past Continues TenseInfinitive and GerundZero & First ConditionalAdverbs of Time and PlacePaired ConjunctionIndefinite PronounsGrammar - Countable/ UncountablePresent Simple or Present ContinuousPresent Simple & ContinuesGrammar for IELTSOther quiz:
Present Simple Questions › View…..your neighbor fluent in Portugese?
A. Does
B. Do
C. Is
D. Are
Idioms › View
“Quiet as a mouse” describes someone who is ___.
a. interesting
b. loud
c. timid
Should he telephone, _____ me a message.
A. left
B. leave
C. have left
D. have been left
Grammar › View
I am happy as a clam, ……………….. ?
A. amn’t
B. am I
C. aren’t I
D. are I
