( ) Do you know ______ this word? A. what to spell B. how to spell C. to spell
( )—________ did you go last Sunday? —I went to the Summer Palace with my family.
( ) —________ do you like pandas? —Because they’re cute.
( )—________ is your sister’s coat? —Red.
( ) I can see ________ the duck.
( ) ________ are all good students in schools.