Her behavior is __________.
| A．worthy praise | B．worthy to be praised |
| C．worth to be praised | D．worth being praised |
. He will tell us ________ he thinks of our arrangement.
| A．that | B．what | C．how | D．if |
. ________ we’ll go camping tomorrow has kept us all excited the whole day.
| A．If | B．Whether | C．That | D．Where |
. ________ we’ll go camping tomorrow depends on the weather.
| A．If | B．Whether | C．That | D．Where |
. ________ his failure lies is expected ________ clear to us.
| A．What… to make | B．How… made |
| C．Where… to be made | D．Why… Making |
. It is pretty well understood ________ controls the flow of carbon dioxide in and out the atmosphere today.
| A．that | B．that what | C．what | D．how |