Had the governments and scientists not worked together,AIDS﹣related deaths _______ since their highest in 2005.( )
had not fallen
would not fall
did not fall
would not have fallen
______ the instructions very carefully when filling in the form.
The school had promised to keep parents fully _____ about the conditions of their children at school.
I send you my revised catalogue and price list, ______ you may find something that suits you.
When he came back, he found his bag over the seat.
—How did he break his head while swimming? — my warnings, he dived straight into the shallow water.