In our school, the students have three_____ courses, and seven______ entrepreneurial education courses .
| A．required; alternative | B．requiring; alternative |
| C．required; alternate | D．requiring; alternate |
To his disappointment, the opinion he tried to stick __________ wrong.
| A．to prove | B．to proving | C．to was proved | D．to proved |
–Excuse me, Madame. Is this plane __________ take off soon?
–Oh, yes. In five minutes.
| A．about to | B．starting to | C．beginning to | D．to |
An awful accident __________, however, occur the other day.
| A．does | B．did | C．has to | D．had to |
Barrack Obama __________ President of the United States since 2010.
| A．became a | B．has become a | C．has turned | D．has been |
The matter __________ your fate can't be taken for granted. You have to think it over seriously.
| A．relates to | B．related to | C．relate to | D．to relate to |