题目内容：
I shall go to the meeting tomorrow ___ I.m too busy.选择一项：
A.
when
B.
unless
C.
until
D.
if
参考答案：
选择题：I shall go to the meeting tomorrow ___ I.m too bus
- 题目分类：国家开放大学-开放英语4
- 题目类型：选择题
- 号外号外：注册会员即送体验阅读点！
选择一项：
A.
when
B.
unless
C.
until
D.
if
选择一项：
A.
when
B.
unless
C.
until
D.
if
I think this sofa is ___ than that one.
I think this sofa is ___ than that one.选择一项：a.expensiverb.more costlyc.cost more
如果市场上所有顾客在同一时期偏好相同，对营销刺激的反应也相近，宜实行无差异性市场策略。（ ）选择一
如果市场上所有顾客在同一时期偏好相同，对营销刺激的反应也相近，宜实行无差异性市场策略。（ ）选择一项：对错
We followed c _ _ _ _ _ _ (密切地) after him.
We followed c _ _ _ _ _ _ (密切地) after him.
Arabic __________ become a connecting language. (p
Arabic __________ become a connecting language. (possibly)
By whom was the letter sent?
By whom was the letter sent?