Spring is coming.It's time________.
A．to plant seeds B．plant seeds C．planting seeds
—Is there an apple on the plate?—Yes，________.
A．there isn't B．there's C．there is
Boys are________football now.
A．playingB．to play C．play
There________some water in the glass.
A．areB．isC．am
根据图片选择答语。(20分)
（1）What are they doing？________
（2）What are they doing？________
A．They are farming the land.
B．They are looking at the flowers.