We have to work hard, ______ we’ll lose the chance.
| A． therefore | B． otherwise | C． besides | D． however |
The professor, ________ his assistants, _______ conducting the experiment.
| A．in addition, is | B．as well, is |
| C．in addition to, are | D．as well as, is |
--- Did you have a good time at the party?
--- Thanks. I appreciated _________ to your home.
| A．to be invited | B．being invited |
| C．to have invited | D．having invited |
It will be _____ fortnight before he gets _______bachelor’s degree.
| A．a ,a | B．/, a | C．/, the | D．/, a |
---Mike, Guess what? Our team won the basketball game yesterday.
---_________.
| A．Good luck | B．Cheers | C．Congratulations | D．All the best |
The Dragon Boat Festival, which is celebrated _______QuYuan, falls on the fifth day of the fifth lunar month.
| A．in praise of | B．in search of | C．in memory of | D．in want of |