Love your parents they are alive.Don't wait until it is too late.（ ）
| A． |
while |
B． |
after |
C． |
until |
D． |
unless |
The bus was empty， there was ________ on it
| A．somebody | B．anybody |
| C．nobody | D．everybody |
--- Can you sing this song in English? --- Yes， I ______.
| A．can | B．must | C．may | D．need |
—Where is your mother， Jack?
—She is busy ____ a cake. I will have a birthday party tonight.
| A．make | B．made | C．making | D．to make |
My mother often tells me __ to MP3 while I am doing my homework.
| A．to listen | B．not listen |
| C．not to listen | D．listening |
I think this room is ____ than yours.
| A．bigger | B．big | C．biggest | D．the biggest |