Earth is only home to everyone．Let's try to make it greener world to live in．（ ）
A．a；aB．the；aC．a；theD．the；the
Our reading club shares ideas with each other ________ one hour every Tuesday．（ ）
A．toB．onC．atD．for
Mary wants to be ________ good doctor when she grows up．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
Do you know ？
Yes．They're from new York．（ ）
| A． |
what do the tourists do |
| B． |
where the tourists are from |
| C． |
what the tourists do |
| D． |
where are the tourists from |
The Smiths have decided a house near the sea．（ ）
| A． |
buy |
B． |
bought |
C． |
buying |
D． |
to buy |
The boss was very rich， it didn't make him happy because be was always worried about losing his money．（ ）
| A． |
but |
B． |
and |
C． |
or |
D． |
although |