What were you doing at this time yesterday？
I ____ a movie named Lost in Russia directed by Xu Zheng．（ ）
| A． |
was seeing |
B． |
saw |
C． |
am seeing |
Our world will get better and better_____each of us lives a greener life．（ ）
| A． |
before |
B． |
if |
C． |
though |
D． |
until |
______，Chinese people celebrate the Mid﹣Autumn Festival by enjoying the full moon and eating mooncakes．（ ）
| A． |
Quickly |
B． |
Suddenly |
| C． |
Secretly |
D． |
Traditionally |
Taking some exercise every day will_____fat and make you fit．（ ）
| A． |
turn to |
B． |
sell out |
C． |
burn off |
D． |
put on |
I saw Sam and David in the playground yesterday afternoon．They____games with their classmates then．（ ）
| A． |
play |
B． |
will play |
| C． |
are playing |
D． |
were playing |
For our own safety，it's important to ______the traffic rules on the way to school．（ ）
| A． |
follow |
B． |
change |
C． |
make |
D． |
break |