— Who left the classroom ______the light _______?— I’m sorry. I forgot it
Pandas are our Chinese treasure. They feed on(主食) __________.
Koalas come from __________. They are very cute.
If you go to Singapore, you have to learn to speak _______ and __________.
―_______is the weather in Tokyo, Tommy?― It’s snowing. The children can make snow-man outside.
―______________―Because they are very smart.