Oliver can always _____ his parents, who willgive whatever he asks for.

such a helpful colleague that he is willing todo,,any favour we might askhim.

Five men and three women make up the temporary group to look into the case. In otherwords，it _____ eight people.

His first lecture is of great use to ourdevelopment. But his latest one is ______ worth attending.

, sorry. I have to change another one.