I want to know______do to improve my English.

_____can work out the problems because _____of the problems is easy.

There is ________ with my watch, so I don’t know the time.—- Let me have a look.

He is such a busy man that it’s hard for him to________ enough time to meet us at the airport.

____ girl in red is Millie 。—Oh， What ___ nice girl!