He thought this was the first pair of shoes that had fitted him ________.

He doesn’t lack ______ to learn. You don’t have to tell or force him to do this or that. 

(2013·四川省六校二模)Jack is an outgoing child, usually kind and helpful, but he ________ lose temper sometimes.

A clean environment can help the city bid for the Olympics, which ________ will promote its economic development.

 It’s known to us that Callum _____________ the local accent after talking with the native speakers.