—Mom，dad is smoking again!—Well，let him cut it ________ gradually since old habits die hard.

No matter how much time I spend planning a class, little things still _____ go wrong. So I had no perfect class and I reflected all the time.

. John hadn’t been able to quit smoking at once; he had to control his smoking desire      .

.The man to whom we handed the forms pointed out that they had not been ________ filled in.

The farmers are in bad need of rain,but a (an)          large amount of rainfall will cause Floods.