They still have some problems _____ in designing the energy vehicles.
举一反三
- They still have some problems _____________________ in designing the new energy vehicle. A: overcome B: overcoming C: to overcome D: overcomes
- On some of the oil-blessed lands, which energy resource is still scare?
- Although we still have some problems to overcome, ____ our work has been successful. A: by all means B: by and large C: in the long run D: in particular
- The teacher have had some problems deciding ________.
- Both of these kind vehicles belong to new energy vehicles (NEV).