I＿＿＿＿＿＿often go fishing when I lived in the countryside. 

The manager insisted that the work ____ finished by the end of this month. 

—_____ he start at once or wait for a while?—Let him start at once.

But for their help，we ______ the program in time.

How nice it _______ if I _______ an elder brother like you!