More trees every year to make our city greener．（ ）
| A． |
is planted |
B． |
are planted |
| C． |
was planted |
D． |
were planted |
Look， Linda． The flowers in our classroom came out in one night．
I can't believe it． They are beautiful and colorful． They great．（ ）
| A． |
sound |
B． |
smell |
C． |
taste |
Bike sharing is very useful in our daily life it still has some disadvantages．（ ）
| A． |
unless |
B． |
because |
C． |
although |
are the students in your class？
Most of them are only fourteen．（ ）
A．How longB．How manyC．How old
What are you looking for？
I'm looking for the storybook you lent to me last week．（ ）
| A． |
who |
B． |
which |
C． |
when |
Allan， I found a red eraser under your chair． Is it yours？
Oh， yes． It's ． Thank you， Mike．（ ）
| A． |
me |
B． |
my |
C． |
mine |