They want to make _____ clear to the public that they are doing an important and necessary job.
| A．that | B．this | C．it | D．one |
_____ we go to the McDonald’s? I’m sick of the food there!
| A．Might | B．Can | C．Must | D．Would |
The road back home may be difficult before the Spring Festival, ______ the desire to get together with family members can never be stopped.
| A．while | B．and | C．but | D．as |
There is still something we can try _____ those dying animals.
| A．to save | B．saving | C．to be saved | D．being saved |
Every year a great number of foreign tourists pay a visit to _____ we Chinese call Heaven Lake.
| A．where | B．which | C．what | D．that |
----Did you see a child dressed in red pass by?
----Sorry, I _____ the poster on the board without noticing anyone.
| A．have read | B．had read | C．am reading | D．was reading |