炎性病变引起胸痛的常见病因为

I can't understand why he always avoid ______ with me.

A．to speak

B．speaking

C．having spoken

D．to have spoken

I can't understand how he can fell that his colleagues are always ready to denounce him.

A．compliment

B．criticize

C．flatter

D．challenge

I can hardly understand why such books as Who Moved My Cheese ____________(竟会成为畅销书).

听力原文：M：I can't understand why this CD player always breaks down．

W：Here，let me have a listen．If it's the same problem as I think，there may be an easy solution．

Q：What will the woman probably do？

(13)

A．Listen to the radio.

B．Listen to some music.

C．Fix it if her theory is right.

D．See if the CD player is working.

听力原文：M：I don't understand why you need my notes. You haven't missed any classes.

W：I'm usually awake at the beginning. But thirty minutes into class, I'm having trouble keeping my eyes open.

Q：Why does the woman need to copy the man's notes？

(19)

A．Because she has missed the classes.

B．Because she will have an examination soon.

C．Because she has done well in the notes.

D．Because she always falls asleep in class.

I can't understand ______ at that poor child.

A、you to laugh

B、you laugh

C、why laugh

D、your laughing

I can't always figure______what my teacher means in class.

A．off

B．in

C．at

D．out

—How can you explain the latest situation？

—____________________,I know it is all my fault.

A: Sorry

B; Excuse me

C; I'm afraid

I can't understand how he can feel that his colleagues are always ready to denounce him.

A．compliment

B．criticize

C．flatter

D．challenge

I can't understand how he can feel that his colleagues are always ready to denounce him.

A．compliment

B．criticize

C．flatter

D．challenge