—Hi, Li Xiaoxia. What a surprise! Dad _____ you _______ so early. He’s upstairs reading. I’ll just call him.
| A．didn’t know; would come | B．doesn’t know; are coming |
| C．hadn’t known; were coming | D．hasn’t known; will come |
The primate brain is larger than of other animals.
| A．those | B．what | C．this | D．that |
After designing more experiments,they were able to clarify the procedure bees communicate information that they use to find and fetch food.
| A．by which | B．in which |
| C．by that | D．for which |
It was also apparent that the wagging dance, the bee moved sideways,sent another message.
| A．which | B．where | C．that | D．what |
All the bees had been at nearby feeding place were doing the circling dance.
| A．which | B．what | C．that | D．how |
All the students were studying in class Tom;he was playing football on the playground.
| A．except | B．besides |
| C．except for | D．except on |