24. Did you remember ............. Mary? - Oh no, I completely forgot. A. to phone B. phone C. to be phoning D. to have phoned 25. How much time do you spend ………………. on the web a day. A. posting B. responding C. surfing D. using 26. It was very nice ………………. him to give me a lift. A. to B. of C. in D. for 27. They see each other ……….. lunch time and ………. night only. A. in – in B. on – on C. at – at D. in - at 28. If Ba …………… here tomorrow, I’ll call you. A. come B. comes C. will come D. came 29. We live in London. We ………. there for seven years. A. live B. are living C. lived D. have lived giải giúp mình với. có giải thích giùm mình nhé