When ____ about the possibility that Justin was taken away by aliens, Detective San Peterson, who has taken charge of the case, didn’t say much.
_________ his age,he did it quite well,so don’t _________ him any more.
He claimed _________ in the supermarket when he was doing shopping yesterday.
__________,the thief was caught by the students.
Cars moved very slowly in the 1930s,but they _________ faster than in the 1920s.
It is because English is being widely used at present __________.