Are these your keys？
Yes，they are ________．（ ）
| A． |
I |
B． |
me |
C． |
my |
D． |
mine |
Is this the new dictionary ______ you got yesterday？
Yes． Now it's very convenient for me to look up words．（ ）
| A． |
that |
B． |
why |
C． |
what |
Mary， do you prefer weekdays or weekends？
Of course weekdays． Because I'm on weekends．（ ）
| A． |
busy |
| B． |
much busier |
| C． |
the busiest |
How beautiful your skirt is! Could you please tell me ？
Thanks． I bought it on Taobao．（ ）
| A． |
where you bought it |
| B． |
when you bought it |
| C． |
why you bought it |
Yesterday， I the subway home when I suddenly found I was on the wrong line．（ ）
| A． |
took |
B． |
was taking |
C． |
had taken |
Sally， I heard you're going to America． Will you stay there？
Two whole years．（ ）
| A． |
How soon |
B． |
How often |
C． |
How long |