Uncle Martin held a yard sale. But ______ one came because the weather was so bad.
| A．some | B．every | C．any | D．no |
A little boy wrote _____ “u” and _____“n” on the wall.
| A．a; an | B．an; a | C．an; an | D．a; a |
--- Why do you often take exercise? --- _____ me keep fit.
| A．Help | B．Helping | C．To help | D．helped |
--- We went to see the man who was in hospital yesterday. --- __________.
| A．So did we | B．So we did | C．We did so | D．Did so we |
If H2 burn in O2, we can get _____.
| A．H2 | B．H2O | C．O2 | D．H2O2 |
The boy read the article ________ and found something important in it.
| A．careful enough | B．carefully enough |
| C．enough careful | D．enough carefully |