I really appreciate （） to help me, but I am sure that I will be able to manage by myself.

单项选择题He is said to （） two trips to China in the last two years.

A. make
B. be making
C. have been making
D. have made

单项选择题A severe weather alert is now in effect for （） southern Ohio and Indiana.

A. whole
B. the whole
C. all of
D. the all