— David has been in high spirits these days?— ______ He should win the first prize in the composition test.
. 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.