trouble+problem:__________ (blend)
举一反三
- It is difficult for him to solve ______. (难题) A: trouble B: problem C: pleasure
- There is no _____ that the statue of the king is very high. A: problem B: question C: doubt D: trouble
- -What's the problem,Harry?-（） A: No problem B: I can't remember where I left my glassrs C: No trouble at all
- Lacking money is usually the biggest _____ in starting a business. A: trouble B: difficulty C: obstacle D: problem
- 2. The basic problem is that colleges receive government money based largely on how many students they ________. A: include B: blend C: enroll D: introduce