Willie has complained to the sales manager about the PC he bought _____ screen exploded for no reason.

Hurry up, __________ we will miss the train

I’ve made little progress in English during this term.一Don’t worry. .

I’mamazed to hear from my school teacher again. ，it is ten years since we met last.

____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it