7.Complete the sentences with suitable words from the groups of synonymous verbs. The “verb + noun” collocations help distinguish synonymous verbs. Let's take the group of synonymous verbs “abolish, cancel, withdraw” as an example. Verb + noun Meaning of the verb abolish the tax to end an activity or custom officially cancel the flight to decide that an organized event will not happen,or to stop an order for goods or services that you no longer want withdraw the proposal to say that you want people to ignore a remark or statement that you have made 1) appraise, assess, estimate, evaluate a. It's difficult to ________ the possible results in advance. b. According to fine art appraiser Mary Carpenter, how to ________ an art object is a fairly open-ended question. c. Our research attempts to ________ the effectiveness of the different drugs. d. Local engineers working in Haiti have _________ 200,000 buildings for structural damage following the January earthquake.