Theengineersinthislabspentseveralweeks_______theirplansforthenewbicycle.
A、countingWedonothavea_______schoolinourinstitute.ThehighestdegreeweprovideforthestudentsisaB.A.andaB.S..
ProfessorSmithisalsothe_______oftheinternationalprogramoffice.Ifyouhaveanyproblemwhenyoustudyhere,youmaygotohimforhelp.
Inordertoincreaseouroutput,weneedtoimportmoreproduction_______.
Manykindsofanimalsarebelievedtohave_________fromtheearth
Withthehelpofthegovernment,alargenumberofpeople---_______afterthefloodin1991.
