单选题

If   you have difficulty(   - your bills, tell your utility company as soon  as possible.

单选题 He  stayed  patient  and  answered  every  singer  question,(   )  obvious  the  answer  was.

单选题 Generally  speaking,you  should  arrive  at  the  airport  with  plenty  of  time(   ).

单选题 They  opened  a  new  store  in  our  city,but  not  until  last  week(   )it.

单选题 In  most  cases,panel  interviews  we're(  )than  those  held  by  single  interviewers.

单选题

(     )most students own a smartphone the school does not allow them  to use it in the classroom.

单选题

Each worker puts in nearly 2.200 hours a year,

(   ) average, and  contributes about $30 to GDP per hour.

单选题 If  I  were  you  ,l(  )job-hunting  by  visiting  the  websites  of  these  companies.