In that school, English is compulsory for all students, but French and Russian are ______.
A. special B. regional C. optional D. original
What are you doing out of bed ,Tom? You are to be asleep.
A. supposed B. known C. thought D. considered
Genius is a complicated concept , many different factors.
A. involved B. involving C. to involve D. being involved
We had hardly arrived at the foot of the Yuntai Mountain it began to rain heavily .
A. than B. when C. until D. after
I am calling to consult the position in yesterday’s Tianjin Daily .
A. advertised B. to be advertised C. advertising D. having advertised
Fortunately , the adventurers brought the GPS with themselves, they might have been lost in the desert.
A. of which B. without which C. in which D. about which
