We choose this hotel because the price for a night here is down to $20, half of_________it used to charge.
that
which
what
how
______ 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.