--Must I be in hospital for a week,doctor?
---No,you（）.You can go back home tomorrow.

单项选择题Though（）to see us,the professor gave us a warm welcome.

A.confusing
B.confused
C.was confused
D.being confused

单项选择题You will succeed in the end（）you give up halfway.

A.even if
B.as if
C.as long as
D.unless