He is only _______ boy. He isn’t old enough to take care of himself.
| A．a 8-year-old | B．an 8-year-old |
| C．a 8-years-old | D．an 8-years-old |
Don’t make ________in class.
| A．voice | B．noise | C．sound | D．cry |
_______ you do, don’t miss this exhibition, for it’s so hard for me to get the tickets.
| A．Whatever | B．However | C．If | D．Who |
You shouldn’t watch TV____ school nights.
| A．at | B．in | C．on | D．for |
--- I can’t fall asleep.
--- You get up and try to do something ______lying in bed.
| A．when | B．instead | C．instead of | D．while |
________ , I know it doesn’t matter.
| A．Later | B．Late | C．Later on | D．late on |