The law of Venice says if anyone tries to kill or murder any citizen of Venice, everything that he owns be taken away from him.
shall
can
must
may
Each of the students, hoping to pass the exam, _____the book.
| A．buying | B．having bought | C．should buy | D．to buy |
He told me the news_____, believe it or not, he had earned $1 000 in a single day.
| A．that | B．which | C．as | D．because |
The research is so designed that once _____ nothing can be done to change it.
| A．begins | B．having begun | C．beginning | D．begun |
If _____ carefully, the experiment will be successful.
| A．do | B．does | C．done | D．doing |
----- When was the People’s Liberation Army’s Navy founded?
-----It ____the April of 1949.
| A．dates to | B．dated back | C．dated from | D．dates back to |