As we all know．____life is hard for any of us. If we live___ happy life，we must all work harder.
#10447
A
／：／
B
／；a
C
a；／
D
a；a
推荐题目
— Have you seen ____ pencil? I left it here this morning．—Is it _____black one? I think I saw it somewhere
#8431
A
a; the
B
the; the
C
the; a
D
a; a
Many people agree that ______ knowledge of English is a must in _______ international trade today.
#10071
A
the, an
B
a, 不填
C
the, the
D
不填, the
How about taking ______ short break? I want to make _______ call．
#9784
A
the, a
B
a, the
C
the, the
D
a, a
It rains very heavily in this area, which has _______ annual rainfall of 7,000 mm, _______ideal environment for forests.
#9602
A
the; an
B
an; 不填
C
an; an
D
不填; the