The church clock began to _______ twelve.
A. hit B. beat C. strike D. touch
-----Is this the first time you______ Chengdu?
-----No. But the first time I______ here, the city wasn’t so beautiful
A. visited; came B. visited; have come
C. have visited ; have come D. have visited; came
Has the doctor _______ called for?
A. referred to being B. referred to been
C. referring to being D. referred to be
Every student is required to watch the teacher carefully before ___ the chemistry experiment.
A. performing B. taking C. picking D. having
I am a stranger here. So the city isn’t familiar ______ me.
A. with B. by C. in D. to
—We want to sit at the table near the window.
—I’m sorry,but it________ already.
A.has taken B.took C.was taken D.has been taken