A. two years ago
B. since 1995
C. before 1995
D. tomorrow
A. Has / heard
B. Did / heard
C. Have / heard
D. Have / hear
A. haven’t had
B. hasn’t had
C. haven’t
D. hasn’t
A. recently
B. for two days
C. two days ago
D. since two days
A. be held
B. is held
C. be hold
D. are hold
A. are exported
B. exports
C. is exported
D. exported
A. have just been introduced
B. just has been introduced
C. has just been introduced
D. has just introduced
A. teach
B. taught
C. have taught
D. am teaching
A. is checked
B. check
C. was checked
D. be checked
A. since June
B. ready
C. two years ago
D. yesterday morning
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