I was about to leave when it appealed to me that I had not turned off the gas in the kitchen.（)

A.ready for leaving

B.about to leave

C.In the point of leaving

D.most ready to leave

The plane is about to leave,but I’ve left my ticket()back to the sun.

A behind

B away

C up

D out

A.some, left  

B.about, leaving  

C.about, to leave  

D.some, leaving

A.having left

B.to have left

C.leaving

D.to leave

A、Appealed

B、happened

C、occurred

D、struck

A.continue

B.go

C.leave

D.put

A.A. was about to

B.B. had to

C.C. was long to

D.D. was way to

e, ________ something occurred which attracted my attention.

A) unless B) until

C) when D) while

A、leaving

B、was about to leave

C、left

D、had been leaving