问题
ou considered how weak humans areavolcano, hurricane or earthquake
A:since
B:until
C:before
D:when
B:until
C:before
D:when
正确答案是：
同类题型
― It’ a fine day. Shall we go jogging ― ______ But we need to be home before six.
________ the fact that they were in trouble, they still managed to help us with some money
Where would your parents like to liveafter they retire– They’d like to live_________.
Where are you going, Lily-I’m going to the ______ to fly a kite.