Just as a famous Chinese saying goes, a timely heavy snow is a ______ of good harvest next year.
| A．mark | B．track |
| C．sign | D．appearance |
. 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 |