. —Where is our English teacher? —She is in the classroom, _____ the exercises _________ the students have done at home.
.Her politics ______ neither conservative nor liberal.
.Measles ______ a kind of infectious illness.
.The Philippines ______ to the south-east of China.
.Mary is one of the girls who ______ always on time.
.Tom is the only one of the stall members who ______ to be promoted.