He appears to be strong and healthy but, __________ he suffers from a weak heart.

Let’s ask him to _______ us in a game. —Ok. Pass the coin from one of the students to _______.

The family will have ________ good time in Shanghai Disneyland.

It was too hard for the firefighters to get close to the burning building．All their attempts to rescue the people trapped were

I read ________ article _________ a boy from the USA