_____ the mountain is， _____ the air is．（ ）
A．The highest， the thinnest
B．Higher， thinner
C．The higher， the thinner
Mr． Smith always encourages his students to be active_____class．（ ）
| A． |
in |
B． |
by |
C． |
with |
D． |
from |
Kelly's cheese cakes were sold out within half_____hour at the night market．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
Which of the following words is pronounced /spi：tʃ/？（ ）
| A． |
speech |
B． |
space |
C． |
speed |
D． |
spend |
﹣ Excuse me． Could you please tell me_____ ？
﹣ OK． Go down the street and you will find it on the left．（ ）
| A． |
how I can get to the zoo |
| B． |
how can I get to the zoo |
| C． |
when I can get to the zoo |
Lisa plans____ a new picture next week．（ ）
| A． |
draw |
B． |
to draw |
C． |
drawing |