Ladies and gentlemen, please ______ seated until the plane has come to a complete stop.
A. remain B. keep C. go D. get
Please do me a favor —______ my friend Mr. Smith to Youth Theater at 7:30 tonight.
A. to invite B. inviting C. invite D. invited
______ herself with other girls, she feels she is quite lucky.
A. Comparing B. Compared C. To compare D.Being compared
— Lovely weather, isn’t it?
— Yes, a bit hot, ______.
A. although B. but C. though D. yet
Canada has vast areas of wilderness, from the Arctic north, _______ average winter temperatures are usually -20 0C, to the border with the USA in the south, _______ is said to be the longest border in the world not defended.
A. which, where B. whose, which C. where, where D. where, which
Garter Druse ______ his being selected for the important task to his courage，devotion and knowledge of the area.
A. led B. owed C. devoted D. contributed
