1.We__________(forbid) to look out of the window when the train was moving.
2.Just smile__________(natural) while I take your photo.
3.The path grew__________(steep) as we climbed higher.
4.That's a__________(mountain) country.
5.He led a full and__________(vary) life.
6.The ship soon disappeared__________the distance.
7.Word came __________he had passed the College Entrance Exams.
8.Miss Smith entered the classroom,__________a book in her hand.
9.I saw a lot of children playing in the garden,most of__________being girls.
10.We should reconsider the plan__________view of the future technological developments.