1. It was in the 1960s__________________________(兩國的貿(mào)易達(dá)到了最高點(diǎn)).
　　2. ______________________ (無論我們遇到怎樣的困難)，we'll help one another to overcome them.
　　3. He always did well at school every now and then. _____________________ (盡管得做兼職) every now and then.
　　4. Without proper lessons, you could __________________________ (染上許多陋習(xí))when playing the piano.
　　5. I suggested he__________________________(適應(yīng)他的新環(huán)境).

　　參考答案：
　　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.( should ) adapt himself to his new conditions