1 It was in the 1960s__________________________ 　　2 ______________________ .

　　2. ______________________ ，well help one another to overcome them.

　　3. He always did well at school every now and then. _____________________ every now and then.

　　4. Without proper lessons, you could __________________________ when playing the piano.

　　5. I suggested he__________________________.

　　1. that the trade between the two countries reached its highest point

　　It is /was... that

　　Yesterday my mother threw a bad egg at the manager. It was yesterday that my mother threw a bad egg at the manager. It was my mother who / that threw a bad egg at the manager. It was a bad egg that my mother threw at the manager yesterday. It was at the manager that my mother threw a bad egg yesterday.　　2. Whatever / No matter what difficulties we may come across

　　no matter what whatever / no matter what difficulties;

　　3. in spite of having to do part-time jobs

　　5. adapt himself to his new conditions