请选择正确选项Too much __________ these days.
A: has happened
B: was happening
C: has been happening
D: happen
A: has happened
B: was happening
C: has been happening
D: happen
举一反三
- What do you imagine ______ to Jim for the last few weeks? A: happened B: has happened C: happening D: to happen
- There is a police car in front of our house. What do you suppose _______? A: has happened B: is happened C: is happening D: would happen
- “I haven’t heard from Henry for a long time.” “What do you suppose ______ to him?” A: was happening B: to happen C: has happened D: had happened
- There is too much snow these days. It ______ for a few days. A: was snowing B: has been snowing C: had been snowing D: snowed
- Some people believe that ______ has happened before or is happening now will repeat itself in the future.