It's six o'clock in the morning．Many people in the park．（ ）
| A． |
are dancing |
B． |
dance |
| C． |
is dancing |
D． |
dances |
That ______be an alien﹣there's no such thing！（ ）
| A． |
might |
B． |
must |
C． |
can't |
Miss Li likes swimming very much and now she_______ on Saturday afternoon．（ ）
| A． |
used to swim |
| B． |
is used to swim |
| C． |
is used to swimming |
If you take a vacation this summer，so______I．（ ）
| A． |
will |
B． |
do |
C． |
am |
________have you prepared for the competition？
For two months．（ ）
| A． |
How far |
B． |
How long |
C． |
How soon |
Sally's home is far from Fun Times Park， so she ________walks there．（ ）
| A． |
seldom |
B． |
usually |
C． |
often |