They started off at about 5 o’clock in the morning . They should there by now .
| A．arrive | B．have been arriving | C．have arrived | D．be arriving |
Tom,yourself. Did you forget the school rules?
| A．behave | B．believe | C．perform | D．conduct |
-- Not getting that job was a big bet down.
---Don’t worry. Something better will .
A. come along B. take on C. go by C. fall behind
The boy was made to the explanation(解释，说明 process of explaining) .
| A．speak | B．tell | C．repeat | D．say |
---Mum, it is nice weather. I want to skate this afternoon.
---Don’t you think the ice on the lake is too thin to your weight?
| A．stand | B．bear | C．catch | D．take |
As we grow older, birthdays seem tomore quickly than when we were children.
| A．come in | B．come around | C．come out | D．come over |