5.He couldn't get / couldn't have got through when he tried to call.
A: couldn't get
B: couldn't have got
C: 无
D: 无
A: couldn't get
B: couldn't have got
C: 无
D: 无
举一反三
- 8.They shouldn't/ couldn't have tried to defend the case. It was obvious they’d lose. A: shouldn't B: couldn't C: 无 D: 无
- Why couldn’t he get the job?
- Try _______he might, he couldn’t get out of difficulty.
- If Tom______too careless in the final exam, he______a make-up exam. A: was; couldn’t have taken B: hadn’t been; couldn’t take C: hadn’t been; couldn’t have taken D: have not been; couldn’t have taken
- I tried to phone him but couldn’t get ____ him. A: to B: through C: to through D: through to