----He’s never sung English songs before, __________he? ----_________. It’s his second time to sing in English.
The dirty boy often forgets to _____ face .
How ______ disasters _____ there in that area in a year ?
Most of _____ fly to the south when winter _______ .
I like ______ days because I like making snowman .
It ______ a short time to wait for the underground .