1 Is this the reason ___at the meeting for his carelessness
1 Is this the reason ___at the meeting for his carelessness in his work?A he expained B what he explained C how he explained D why he wxplained
2 could i have a cigerette i seem to ___of them
A have run out B use up C run out D have used up
3 i ___ when there came a knock at the door
A am going to bed B just about to go to bed C was about to go to bed D have gone to bed
4 with the new kind of robot ___,he will put much more energy into his research work
A developed B will be developed C being developed D to develop
5 the police finally caught up with the man ____ they thought was the escaped prisoner
A who B whom C what D which