___ is a good idea to keep quiet about the problem.
| A．That | B．It | C．There | D．What |
Today’s approach to advertising is very different from ______ of 20 years ago.
| A．that | B．it | C．some | D．any |
Mother often tells us never to put off ______ we can do today till tomorrow.
| A．where | B．when |
| C．what | D．which |
—What about going by coach? It’s cheap and comfortable.
—If we went that way, it would mean ______ more time than going by train.
| A．to spend | B．spending |
| C．spent | D．being spent |
Hotel owners ______ to find new ways of attracting tourists since the sudden drop in tourism last year.
| A．force | B．have forced |
| C．are forced | D．have been forced |
______youknowhimwell, youwillfindhimeasy to bearound and thoughtful.
| A．However | B．Though |
| C．Once | D．Before |