The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream.
______ it______ for your help,I couldn't have made any progress.
-Does the young man standing at the gate_____ the car?-No. The car is _____ his father.
Everything _____ doing is worthy of _____ well.
The manager was worried about the press conference his assistant ______ in his place but luckily, everything was going on smoothly.
---Could you turn the TV down a little bit?---______. Is it disturbing you?