It’s about twenty _______（米）high.
| A．meters | B．meter | C．li | D．Kilometers |
Lucy _________ some books tomorrow.
A. buysB. going to buyC. is going to buy
There isn't ________ in the house.
A. anybodyB. somebodyC. everybody
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