Communication is a bridge the young and the old．（ ）
| A． |
across |
B． |
through |
C． |
between |
D． |
among |
You'd better leave ____， or trouble will come to you．（ ）
| A． |
lively |
B． |
friendly |
C． |
heavily |
D． |
quickly |
One ____ of the book is missing， so I can't learn the whole story．（ ）
| A． |
copy |
B． |
page |
C． |
writer |
D． |
reader |
He could find the way home ____ he was only three years old．（ ）
| A． |
though |
B． |
because |
C． |
where |
D． |
if |
Their plants don't grow very well， but ____ look really good．（ ）
| A． |
we |
B． |
our |
C． |
ours |
D． |
ourselves |
One of his daughters became ____ English teacher last August．（ ）
| A． |
a |
B． |
an |
C． |
the |
D． |
/ |