While Helen _____ along the river after supper, she ____ a wallet lying on the roadside. A. was walking; was finding B. walked; found B. walked; was finding D. was walking; found
The environment here becomes better and better.______ birds are coming back.( )
Thousands of
Thousand of
Thousands
Thousand
He______ speak English very well although he has studied it for only one year.( )
mustn't
can't
must
can
Maybe you can catch the last bus.
_____.If not,I'll have to walk home.( )
Good job
Just so﹣so
Not at all
I hope so
Taiji is my favorite and I often play it_____ healthy.( )
to keep
keeps
keeping
kept
It's getting dark.Could you please_____ the light for me?
All right.Just a minute.( )
keep on
turn on
try on
put on