Here’s useful book . book is written by Bill Gates.
#32170
A
a; The
B
a; A
C
an; The
D
an; A
推荐题目
—Tokyo will host 2020 Sumner Olympics． —Really? It will be first Asian city to host the Olympics twice．
#32613
A
a；a
B
the；the
C
the；a
D
a；the
—There’s ______ ball on the ground. Would you please pass ______ ball to me?—With pleasure.
#34463
A
the; the
B
the; a
C
a; a
D
a; the