Only in this way _______ to make improvement in the operating system.
A．you can hope B．can you hope
C．you did hope D．did you hope
— We need an immediate reply.
— I see. I will send the paper to you ________.
A．after a while B．sooner or later C．right away D．for a while
The past 30 years__________ the great changes that have taken place in my hometown.
A．saw B．was seen C．have seen D．see
There are more than three________ students in our school. Look, _________ students are having a gathering on the square.
A．thousands of; hundreds of B．thousand; hundreds of
C．thousand of; hundreds of D．thousand of; hundred of
It is said the couple fell in love_____ they met.
A．the first time B．the first time when
C．for the first time that D．when that
Children to whom parents always ___________ soon become selfish.
A．give in B．give off C．give up D．give out
