The lack of electricity is still ______ (cause) the country a lotof problems.
举一反三
- The elements that cause problems with the use of the IRR in projects that are mutually exclusive are: A: the discount rate and scale problems. B: timing and scale problems. C: the discount rate and timing problems. D: scale and reversing flow problems. E: timing and reversing flow problems.
- Students recognize the traditional classroom because it can solve a lotof problems.
- Theyfoundapileofgoldattheentrance、Therewas()()()moreinsidethecave. A: yet B: still C: many D: lotof
- What is the cause of many problems in familiesThe cause of many problems in families is（）.
- Lack of sleep will not lead to any health problems.( )