The （）shoes were covered with mud, so I asked them to t……

单项选择题—Could you help me do some cleaning tomorrow — If I （）, I will do it.

A. am free
B. will be free
C. will have time
D. had time

单项选择题I felt so bad all day yesterday that I decided this morning I could not face ______ day like that.

单项选择题How much （）she looked without her glasses!

A. well
B. good
C. best
D. better

单项选择题Most Americans would prefer to keep their problems （）themselves, and solve their problems （）themselves.

A. to; by
B. by; to
C. for; to
D. in ; on

单项选择题They've won their last three matches, I find （）a bit surprising.

A. that
B. when
C. what
D. which