Hotels fill up fast during the busy tourist season, __________it is necessary for tourists to make reservations in advance.
A. or B. so C. for D. but
An advantage of being the youngest child in his family is __________he gets a lot of attention.
A. that B. whether C. why D. when
His study was a mess with lots of books and magazines __________up everywhere.
A. to pile B. having piled
C. piled D. to be piled
--Oh, I __________my passport!
--Don’t worry. We have time to go back home and get it.
A. forget B. forgot
C. will forget D. had forgot
While looking for some personal documents, I happened to see an album __________some old photographs.
A. contained B. to contain
C. containing D. being contained
It is more important than ever to develop one’s maths, science and computer skills _______technological change is accelerating.
A. though B. unless C. until D. because
