3. led , saying (题干中有个left说明应该用过去式,without 是介词,后面接动词的-ing形式)
4. difference , western (西方国家和中国食物的不同)
5. excited
三
How long
so...that
If ...cann't hide
Who is
He took out his English book as soon as he sat down.
四
B
C
C
A
D
五
picked
dark
around
towards
knocked
nobody
push
entered
bowls
finished