19. He’s betrayed you twice. He’s ruined _____ your trust _____ your love for him. A. either ... or B. neither ... nor C. either ... neither D. not only ... but also 20. I have a little bit of confusion. The speaker didn’t ______ confirm ______ deny the story. A. either ... or B. both ... and C. neither ... nor D. not only ... but also 21. It requires the labor of thousands to make a pencil. ______, they are so inexpensive as to be almost free. A. Therefore B. Moreover C. Or else D. Yet 22. He is my sworn enemy, ______, I admire him as the wisest man in the world. A. thus B. in addition C. still D. as a result 23. The equipment is ______ new ______ safe. Do not purchase it! A. either ... or B. both ... and C. neither ... nor D. not only ... but also 24. I don’t know where she is. She’s at the office ______ at the airport. A. and B. or C. but D. so 25. The meal was awful ______ expensive. ______, many people were still eager to try it once. A. but ... And B. but ... Moreover C. but ... As a result D. but ... However 26. Jack won’t move to Paris. He doesn’t have enough qualifications to work there, ______, he can’t speak French. A. yet B. but C. therefore D. besides 27. ______ you buy some chicken nuggets for me ______ I will tell Mom that you’ve broken her favourite flower vase. Better be wise! A. Not only ... but also B. Both...and C. Neither ... nor D. Either ... or 28. We use this washing machine a lot and ______ have to maintain it once a month. A. however B. additionally C. consequently D. otherwise 29. I thought the plane would be delayed. _____, I bought a lot of magazines to read while waiting. A. Yet B. And C. So D. But