[ Present Perfect and Present Perfect Continuous ]
They _________________ each other since last year.
A. have know
B. have known
C. have been knowing
D. have been known
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Grammar › ViewWhich of these are called “New Englishes”
A. Black English
B. Spanglish
C. Pidgin English
D. American English
Grammar › View
The traffic is bad ______ there are too many people in the city centre.
A. because of
B. due to
C. because
D. so