________somanypeopleintheUnitedStatesbeenoutofworkastoday.
A、MorethaneverbeforeSince William had been seriously ill for several months, his parents were worried about________ to return to school full-time.
ItwasthreeBritishsportsmenwho________banneddrugs.
Construction of the railways helped to develop the national _______ of Tanzania and Zambia.
________fromtheoccasionallatenightparty,ourneighborsareveryquiet.
It'smore________tobuyaseasonticketifyoutraveleveryday.
