(    )1. ---How are you going to meet your aunt at the airport _____ Thursday morning?  ---I’m going there _____ my car. 

A. on, in            B. on, by             C. in, by              D. in, in

(    )2. Don’t worry. She can look after your pet_____. 

A. careful enough                      B. enough careful 

C. carefully enough                    D. enough carefully

(    )3. I think it’s _____ useful advice, so I will always remember it.

A. a         B. an        C. the        D. /