The twins are good at singing. —Yes, but I don’t think Lily sings as _________ as Jane.

He is a singer and an actor _____.

To save water, the parents told their children ________ their teeth under a running tap.

The number of the people present at the concert was _____ than expected. There were many tickets left.

So far, all of the infected people are thought _______ the flu after direct contact with sick birds.