So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．
| A．did the sky turn dark | B．the sky did turn dark |
| C．turned the sky dark | D．was the sky turned dark |
Just like spoken language, body language from culture to culture,
| A．changes | B．varies | C．exchanges | D．appears |
The setting sun was reflected on the river, ________ everything along the banks ________ all the more beautiful.
| A．to make; look | B．making; looking | C．making; to look | D．making; look |
Do you remember the day ________ we played all day along the seaside?
| A．which | B．that | C．when | D．about which |
The country's railway system has launched online ticket-booking and a real-name ticket purchasing system, and _______ requires passengers to provide their ID numbers when buying tickets.
| A．which | B．that | C．what | D．this |
It’s time you changed your attitude _____ women now, Tom; they hold up half the sky, you know.
| A．towards | B．from | C．with | D．in |