未知题型 I have kept that portrait ____________ I can see it every day, as it always reminds me of my university days in London.A) which B) whereC) whether D) when

未知题型 It is quite necessary for a qualified teacher to have good manners and _________ knowledge.A) extensive B) expansiveC) intensive D) expensive

未知题型 Mike’s uncle insists ______________ in this hotel. A) whatever B) whomever C) whichever D) whoever