It is nice to hear from a close friend. ________, we last met more than thirty years ago.
—I don’t understand why you didn’t go to the lecture yesterday afternoon.—I’m so sorry.But I________my homework. (2013·湖南,34)
If nothing________,the oceans will turn into fish deserts. (2013·湖南,26)
Around two o’clock every night,Sue will start talking in her dream.It somewhat________us. (2013·湖南,24)
The water supply has been cut off temporarily because the workers________one of the main pipes. (2013·天津,13)
We are confident that the environment________by our further efforts to reduce pollution. (2013·辽宁,30)