There is ______ “b” and _______“s” in the word “bookcase”.
#33004
A
a; an
B
an; a
C
a; a
D
an; an
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If you go by train, you can have quite comfortable journey, but make sure you take fast one.
#33493
A
a; a
B
the; a
C
the; the
D
不填;a
This is 3-D printer. And this is an artificial (人工的) ear. Can you believe that scientists printed this artificial ear by this 3-D printer?
#33175
A
a
B
an
C
the
D
/
Shanghai Disneyland will cover _______________ area of 1.5 square kilometres.
#32916
A
a
B
an
C
the
D
/
—I have notebook and two pens in my bag. notebook is for you. —Thank you.
#32740
A
a; A
B
the; The
C
the; A
D
a; The