___ he was ill, I was expected to take his place greatly surprised me for I didn't have much working experience.

A．If

B．That if

C．That

D．If that

小题1: —What did you do last night?

—I went to the c_____ with my friends. Hero was on.

小题2:If you want to go to other countries, you need to have a p_____.

小题3: Please speak quietly, the baby is a_____.

小题4:We came to r_____ that happiness is the most important thing in our life and work as we grow up.

小题5:He faced his illness with great c_____.