Visitors from the mainland used to     in Honghong for a flight toTaiwan.

Weixin, a new popular social networking application, especially ____ most young mobile users.

(2013·济南一中模拟)—Where ________ Mary have put the empty bottles?
—She ________ them away. They must be somewhere.

(2013·重庆一中模拟)—Who ________ be phoning us at this time of night?
—It might be your sister.

(2012·江苏高考)—Happy birthday!
—Thank you! It's the best present I________ for.

(2013·新课标全国卷Ⅰ)The door ________ open, no matter how hard she pushed.

(2013·成都第二次诊断)—Where did you get this book?
—I picked it up from a second­hand bookshop if you ________  know.

(2013·四川省六校二模)Jack is an outgoing child, usually kind and helpful, but he ________ lose temper sometimes.

(2013·江西十所重点中学第一次联考)What's your opinion of Mr Li's request that we ________ spend half an hour reading English aloud every morning?

He was such __ good speaker that he held our attention every minute of __ three-hour lecture.