问题

Someone called me up in the middle of the night, but he hung up ＿＿ I could answer the phone.

A:as
B:since
C:until
D:before;

正确答案是：

同类题型

lic transport system in Beijing is very good now, so there _____be anydifficulty in traveling around the city

ld apologize to you for failing to visit youlast week, but I’ve been very busy_____ the past few months.

I’ll never forget the days ______ we spenttogether.

Mom, I’m a little thirsty.-There are several bottles of juice in the fridge. You can take .

It _____ my wishes to leave the country. There are so many things attracting me. [ ]