1 . There is a little time left, so we should settle down to ________ (deal) with the urgent thing. (所给词的适当形式填空)

2 . They were supported by us both___________ (material) and spiritually all the time. (所给词适当形式填空)

3 . We __________(seek) long and hard but found no answer in the past. (所给词适当形式填空)

4 . Experts state that the___________(occur) of the high temperature his week is rather rare. (所给词适当形式填空)

5 . People believe that there is a need for greater___________ (diverse) and choice in education. (所给词适当形式填空)

6 . Scientists have been seeking ___________ (understand) the mystery of the sixth sense. (所给词的适当形式填空)

7 . A perfect idea ________ (occur) to us that we could give a handmade gift to our teacher for Teachers’ Day.