A survey of the opinions of experts that three hours of outdoor exercise a week good for our health．（ ）
| A． |
show； are |
B． |
shows； is |
C． |
show； is |
D． |
shows； are |
____do you stay up late？
Hardly ever．（ ）
| A． |
How often |
B． |
How long |
C． |
How far |
D． |
How much |
Jack，____of the oranges_____gone bad．
We'd better eat up the rest as soon as possible．（ ）
| A． |
one fifth；have |
B． |
one fifth；has |
| C． |
one fifths；have |
D． |
first five；has |
The old man lives happily with his two sons and a pet dog．_____ of them are part of his family．（ ）
| A． |
Both |
B． |
All |
C． |
None |
D． |
Neither |
____weather it is today!We'd better stay at home．（ ）
| A． |
What hot |
B． |
How hot |
C． |
What a hot |
D． |
How a hot |
The little girl didn't stop crying ___________ she found her mother．（ ）
| A． |
after |
B． |
until |
C． |
because |
D． |
when |