Boy， your head teacher has set up a WeChat group． Could you tell me ______？
OK． I'll teach you． It's so easy． （ ）
A．how I join itB．why he sets it up
C．what it is used forD．when it was set up
The headmaster introduced ______ to the German visitors before the welcome party．（ ）
| A． |
we |
B． |
us |
C． |
our |
D． |
ours |
Shirley is still waiting for her flight to New York City ____ the airport．（ ）
| A． |
at |
B． |
under |
C． |
on |
D． |
with |
We won!The honor belongs ______ all the member of our team．（ ）
| A． |
by |
B． |
of |
C． |
at |
D． |
to |
Christine is selling her house，but on ______ other hand she doesn't want to move．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |
Which of the following underlined parts in different in pronunciation？（ ）
| A． |
fly |
B． |
lazy |
C． |
already |
D． |
cloudy |