The problem is __________ they can complete the project on time.
A: if
B: what
C: when
D: whether
A: if
B: what
C: when
D: whether
举一反三
- 中国大学MOOC: The problem is __________ they can complete the project on time.
- It is not a problem ______ we can win the battle; it's just a matter of time. A: whether B: why C: when D: where
- The problem is _____ we can improve our reading skill in such a short time. A: A. when B: B. what C: C. how D: D. that
- Do you know（）they are getting on well with the project A: whether B: what C: how D: when
- The problem is_______or not what we can find the right person to deal with the situation A: whether B: if C: how D: what