My secretary told me just now that she ________ typing the letters by the time I went back, which I do have some doubt about. You know, she is not that efficient a girl.

I’m worried________.–Whatever the result is ,don’t be too hard on yourself.

It is reported that people throw_____ plastic bags along this street every day.

May I use your dictionary I want to _____ the new word.-Sure,here it is.

It’s difficult to get to the other side of the river.— I think a bridge over the river.