Only when you have obtained enough data______ come to a sound conclusion.
On the way to the supermarket , it suddenly _______ to me that I had forgotten to lock my car , so I hurried back to lock it .
Hoping he would not disturb his sleeping father , Bob stole in , _____ and waited for him to wake up .
Being popular with customers , the products _____ well and ____ in two months .
Hill often attends lectures at Nanjing University , chiefly ____ his knowledge about hobbies .
.Saving resources is a basic policy of our country . And it proves _____ to its sustainable development .