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必修4《Grammar》集体备课教案优质课下载
The little boy won’t go to sleep ____ his mother tells him a story.
A. orB. unlessC. butD. whether
In many European countries, one has to decide much earlier what one’s career is going to be, and there is less freedom in changing one’s decision ______ one has chosen a particular path.
A. onceB. beforeC. untilD. as
-- Our holiday cost a lot of money.
-- Did it? Well, that doesn’t matter ______ you enjoyed yourselves.
A. as soon asB. unlessC. as long asD. though
Please remind me of the meeting again tomorrow ______ I forget.
A. thoughB. so thatC. in caseD. until
______ we can’t get the necessary equipment, what shall we do?
A. ThinkB. GuessC. SupposeD. Figure
_____ you know English well, you can go travelling in western countries without difficulty.
A. GrantedB. ProvidedC. UnlessD. Whether
Grammar: Adverbial clause of condition
if
unless
once
as long as
so long as
on condition that……
in case
provided (that)……
providing (that)……
suppose (that)……
supposing (that)……