来自刘巧珍的问题
MrWhiteistheonlyoneoftheforeignexpertswho________(work)here
MrWhiteistheonlyoneoftheforeignexpertswho________(work)here


MrWhiteistheonlyoneoftheforeignexpertswho________(work)here
MrWhiteistheonlyoneoftheforeignexpertswho________(work)here
MrWhiteistheonlyoneoftheforeignexpertswho___works_____(work)here
who的后边跟单数