(届甘肃省部分普通高中高三目标诊断英语卷)_______ difficult and challenging the task may be, we must finish it on time, because there is a possibility _______our work will go down in history.
The performance ______ nearly three hours, but few people left the theatre early.
—What fruit is in season now?—Grapes and peaches, ______.
—Would you like to join me for a quick lunch before class? —______, but I promised Nancy to go out with her.
We ______ last night, but we went to the concert instead.
The flowers were so lovely that they __________ in no time.