--Did you ring him up this morning? ---Yes but I couldn't .A. get onB. get overC. get thr

问题补充：

--Did you ring him up this morning? ---Yes, but I couldn .

A. get on

B. get over

C. get through

D. get across

答案：

A. get on

B. get over

(答案→)C. get through

D. get across

解析：get through意思是:通过,电话接通.如:I can get through to her