28.The police were trying to _____ the suspect’s motive of killing his wife.
| A．single out | B．catch on | C．stop off | D．figure out |
his homework, he went out to meet his friends.
| A．Having finished | B．finished | C．To be finished | D．To finish |
They were about to leaveit began to rain.
| A．before | B．durning | C．while | D．when |
Mr.Smith, of the speed,started to read a novel.
| A．tired, boring | B．tiring, bored | C．tired, bored | D．tiring,boring |
It`s already 10 o`clock. I wonder how itthat she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
I find important to have some communicative skills.
| A．it | B．me | C．them | D．you |