--- Do you know Uncle Tom is crazy about gardening?---Sure. He ____ his flowers in the garden now.
#90396
A
may be watering
B
must be watering
C
could look after
D
ought to watch
推荐题目
You must be a writer, _____?
#90135
A
mustn’t you
B
are you
C
must you
D
aren’t you
She's too thin. She ____ gain some weight but she _____ too little.
#90389
A
would, ate
B
will, eats 
C
would, eats
D
will, ate