Keep on dancing，and you'll be better at it. .（ ）
A．Practice makes perfect
B．Burn the candle at both ends
C．It never rains but it pours
D．A friend in need is a friend indeed
How long______you______in，Liping，Mr green．
Since last month．（ ）
| A． |
did； come |
B． |
do；come |
C． |
have，come |
D． |
have，been |
I'm too fat，how can I become healthier？
You should eat______vegetables and take______exercise．（ ）
| A． |
less，more |
B． |
less，less |
C． |
more，more |
D． |
more，less |
Your mother is very busy．She hardly does morning exercise，______．（ ）
| A． |
isn't she |
B． |
does she |
| C． |
doesn't she |
D． |
is she． |
They arrived at the airport of Huangquan Park______the morning of June 7th．（ ）
| A． |
in |
B． |
at |
C． |
by |
D． |
on |
There______a book and four pens on the desk．（ ）
| A． |
has |
B． |
is |
C． |
are |
D． |
have． |