问题
Is your friend Michael still in Australia—I don’t know. I have______ information about him because we haven’t seen each other for years.
A:if ; whether
B:whether; whether
C:if; if
D:if; until;
B:whether; whether
C:if; if
D:if; until;
正确答案是：
同类题型
A terrible earthquake happened in Afghanistan _____ the morning of October 26th, 2015.
Whatever amount you decided to ______, be certain thatthe money will be put to good use.
Have you ever been to Singapore—Yes. I there last year with my parents.
________sister I shared a room with when we were at college, has gone to work in Australia.