We laugh at jokes, but seldom __________ about how they work.
There are only 30 seconds ___and we can’t but ____without him.
The proposal I objected to ________finally last night and I did not feel happy about it .A.passing B. pass C. was passed D passed
______,his eyes fill with tears again.
The way he had the problem _____his ability.
-Shall we go swimming? –Ok, I’ll just go and get _______.