Therearesomepolicecarsinfront.Whatdoyousuppose_____?
A、isthematterThe professor said he could talk on _____ interested the audience.
________evidencethatlanguageacquiringabilitymustbestimulated.
herehasbeenagreatincreaseinretailsales,____﹖
Of all the applicants, ______ do you think is fit for the position?
______whichwaytotake,thelittleboybehavedlikearealgentlemanwhocomfortedhissisterfromtimetotime.
