With so many other people waiting to buy train tickets，we________gave up and chose to take a flight[ ]

Why didn’t Mr. Smith give you one of his newlypublished books? -I didn’t want one, but he would have given me one if I ________. [ ]

Owing to the economic crisis, Mr Green has been ________ for several months[ ]

help you with it—-I appreciate your ___________, but I can manage it myself.

We all think Liu yang is helpful girl. You can believe her.