It’s necessary ______ us to keep our pets clean everyday.
| A．of | B．for | C．with | D．between |
He arrived _______ Shanghai _______ the morning of January 5.
| A．at; in | B．in at | C．for; on | D．in; on |
Jack was about to lock the door when he just _____ time he remember his key.
| A．on | B．in | C．at | D．by |
Don’t write the letters ______ pencil but ______ ink.
| A．with; with | B．in; in | C．in; with | D．with; in |
Children wake up very early ____ the morning of Christmas Day.
| A．in | B．on | C．for | D．at |
____ a cold winter morning, I met her in the street.
| A．In | B．On | C．At | D．For |