Last night the big fire in Sunshine Shopping Mall was started by the children playing with matches，________，no one was hurt．（ ）
A．LuckilyB．SuddenlyC．EasilyD．Sadly
_____ we continue to kill elephants for their ivory，we humans will lose them in the end．（ ）
| A． |
If |
B． |
Before |
C． |
Until |
D． |
Although |
The program， Everlasting Classics， encourages _____ to read more classics．（ ）
| A． |
we |
B． |
us |
C． |
our |
D． |
ours |
Tom cannot run as_____as his friends， so he practices running very hard．（ ）
| A． |
fast |
B． |
faster |
C． |
slow |
D． |
slower |
I will take part in an English writing competition this Sunday． I feel nervous．
_____．（ ）
| A． |
What a pity |
B． |
Look out |
| C． |
Congratulations |
D． |
Take it easy． |
Where did you go last winter vacation？
I _____ to London with my family．（ ）
| A． |
go |
B． |
have gone |
C． |
went |
D． |
was going |