When you decline an invitation, you should always include ________.

A. time and place
B. a reason or an excuse

Which is a polite way to decline invitation?

A. No, I can't.
B. I'd love to.
C. I'd love to, but I have to do my homework. Maybe next time?

Match the words with correct definitions.

Which of the following is the correct vowel sound in the word "pin"?

A. /Ⅰ/
B. /ɛ/
C. /i/

When you decline an invitation, saying "no" is enough.

A. 对
B. 错