当你想表达“鸭子们正在往这边来”时,应说:__________A. The ducks are come now.B. The ducks are coming now.
The earth is ________ than the sun. A. bigger B. smaller C. taller
She sometimes _______ the bus to school. A. takes B. rides C. drives
There are ______ stars on Chinese national flag. A. four B. five C. six
He lives _____ that island. A. on B. in C. at
It will be _____. There will be ______. A. snow, cold B. sunny , windy C. cloudy, rain