单选题For some time now, world leaders______out the
单选题By the first decade of the 21st century,
单选题______last year and is now earning his living as
单选题As mainstream chip production technology shifts
单选题The Second World War, ______the earlier one in
单选题Wouldn't you rather your child______to bed early?
单选题Husband and wife with a common duty to the
单选题It was essential that all the necessary
单选题When I try to understand______that prevents so
单选题I advised her that in the presence of the
单选题No sooner had we finished the
单选题It is absolutely necessary for us to have
单选题—I don't understand how you got a ticket. I
单选题It is imperative that the government______more
单选题I think I was at school, ______I was staying
单选题Oh, what a nuisance! It______so easy for me to
单选题It was not until she had arrived home______she
单选题It is most desirable that he______hands with us
单选题Neither at this meeting nor at the previous
单选题He ran all the way up to the station______that