1) As the pace quickened, Pepe began to drop behind.

2) The sun dropped behind the hilltop.

3) Paratroopers were dropped behind enemy lines to capture key points on the roads into the city.

4) Our team dropped behind in the league matches when a third of the players went on holiday.

5) We cannot afford to drop behind our competitors.

6) Ellen dropped behind to tie her shoelace.

7) She dropped behind the other students.

8) He dropped behind the other runners.

9) He dropped behind to walk with Sam.

10) She dropped behind in her work.

11) Since her payment of rent dropped behind,the landlord asked her to leave.

12) Our car dropped behind.

13) She stopped going to classes and dropped behind in her schoolwork.

14) Britain is increasingly dropping behind her competitors in this field.

15) Those who joined knew full well that they were liable to be dropped behind enemy lines.

16) Don't drop behind in your work.

17) Her long illness caused her to drop behind the rest of the class.

18) Rural obligate education drop behind,(http://sentencedict.com/drop behind.html) and becomes the bottleneck of Chinese compulsory universal education's goal.

19) Back will be powerful, muscular, and level, with drop behind withers and gradual arch over loin, sloping slightly downward at the croup.

20) This is also true with those who temporarily drop behind.

21) However, distribution system in china drop behind developed countries whether in size, facility or management.

22) By the 6 th lap, Jim starts to drop behind in the race.

23) However, inflation is expected to drop behind Britain's economy will face the risk of deflation.