We arrive at six. But I'm sorry we are late.
| A．should | B．were supposed to |
| C．must | D．ought to |
--- Where did he leave his car key?
--- It was in the lab he made the experiment.
| A．where | B．that | C．what | D．there |
--- Why don’t we take a little break?
--- Didn’t we just have ?
| A．this | B．that | C．it | D．one |
the big snake, the little girl stood under the tree out of her life.
| A．Seeing; frightened | B．Seeing; frightening |
| C．Seen; frightened | D．To see; frightening |
--- She looks very thrilled. She have passed the exam.
--- I guess so. It is a very important exam after all.
| A．should | B．could | C．must | D．might |
I would appreciate back this afternoon.
| A．you to call | B．you call | C．your calling | D．you’re calling |