The temperature can fall to -50°C. _____ is, 50°Cbelow freezing point.A. Which B. It C. This D. That
The professor, ________ his assistants, _______ conducting the experiment.
--- Did you have a good time at the party? --- Thanks. I appreciated _________ to your home.
It will be _____ fortnight before he gets _______bachelor’s degree.
---Mike, Guess what? Our team won the basketball game yesterday. ---_________.
The Dragon Boat Festival, which is celebrated _______QuYuan, falls on the fifth day of the fifth lunar month.