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 |
Many Hope Primary schools ______ last year．（ ）
A．is builtB．was builtC．were built
It's necessary for students ______with their teachers．（ ）
A．communicateB．communicating
C．to communicate
It's time for I'm a Singer，please ______ the TV．（ ）
A．turn onB．turn offC．open
Yu Gong kept moving the mountains，______ he was very old．（ ）
A．soB．althoughC．but
We ______ the tea set for three years．（ ）
A．have hadB．hadC．have been