Jack worked _______ a long time in the afternoon and he was tired.
A. atB. inC. for
Do you have _____ homework than before?
A. littleB. lessC. littler
I am angry. I should ___________.
A. see a doctorB. do more exercise C. take a deep breath
Please teach ________ a Chinese song..
A. heB. himC. I
I don’t have __________ cakes.
A. aB. someC. any