问题
选择题
. Yesterday I missed my feet on the stairs and had a bad fall. Luckily it was nothing serious ___.
A．however
B．therefore
C．also
D．though
答案
答案：D
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. Yesterday I missed my feet on the stairs and had a bad fall. Luckily it was nothing serious ___.
A．however
B．therefore
C．also
D．though
答案：D