Having a trip abroad is certainly good for the old couple, but it remains ________whether they will enjoy it.
| A．to see |
| B．to be seen |
| C．seeing |
| D．seen |
It seems to be rather hard for the old man to _____ from French to Japanese.
| A．change | B．exchange | C．switch | D．transform |
Don’t take things for granted. Even the best idea can _______________
| A．turn out to be wrong | B．be proved wrong |
| C．be turned out to be wrong | D．prove wrongly |
This year’s National Day ____ in a practical way, which is reported in People’s Daily.
| A．is to be observed | B．observe | C．observes | D．is to observe |
As a war reporter in Iraq, Shui Junyi is _____ to many dangers.
| A．showed | B．prevented | C．exposed | D．selected |
_____rapidly by the body, sugar provides a quick energy source.
| A．Digested | B．Digesting | C．To digest | D．Having digested |