If you happen to ________ my lost papers while you’re looking for your book, please let me know at once by telephone.
举一反三
- If you're coming, please let me know（）advance. A: at B: in C: by D: on
- What does it( )like? (looks/look) 2. Could you( ) me your ID? (show/see) 3. Have you( )a contact telephone number? (got/ get) 4. We will ( ) you immediately if we have any information about your lost property. (contact/ask) 5. Please give me your name,address,telephone number,especially the time and place you( )your property.(lose/lost)
- Please let me know ____________ when do you decide to come for a visit.
- Would you please your work and listen to me for a while?
- __________ you are able to come, please let us know your arrival time.