There is always a possibility that the infection will return, but so far there ____ been no signs of trouble.
举一反三
- Where have cases been ____________ so far?
- ____ I am concerned, some other arrangement would have been better. A: So far B: As for C: As far as D: So far from
- It is said that ________ to the plan so far have been positive.
- Work-sharing schemes have so far been unsatisfactory.
- ·implies that work-sharing schemes have so far been unsatisfactory