If anything should happen()her, let me know at once.
A: to
B: on
C: in
D: with
A: to
B: on
C: in
D: with
举一反三
- If anything ___（happen）to him , let me know .
- If you happen to ________ my lost papers while you’re looking for your book, please let me know at once by telephone.
- Don’t _______________ to let me know if there is anything I can do for you.
- 4. Let me know ____ you need anything else. A: although B: what C: when D: if
- Dont (hesitate) to let me know if there is anything I can do for you. A: pause B: refuse C: reject D: wait