It's not ___________to talk with your mouth full.（ ）
| A． |
boring |
B． |
polite |
C． |
terrible |
D． |
sleepy |
Everyone knows the Yellow River isn't so as the Yangtze River．（ ）
| A． |
long |
B． |
longer |
C． |
longest |
﹣I hope I can do well in the exams this time．
﹣ ．（ ）
| A． |
Thanks a lot |
B． |
Good luck to you |
C． |
Have a good time |
people watched the rocket flying up into the sky．（ ）
| A． |
Thousand |
B． |
Thousands |
C． |
Thousands of |
﹣David，turn off your computer now!You play on it too long．
﹣I see，mum．（ ）
| A． |
couldn't |
B． |
mustn't |
C． |
wouldn't |
It is very hot in Hainan this summer．On June 3rd，the in Lingao reached 41.9℃．（ ）
| A． |
temperature |
B． |
information |
C． |
development |