nd ________ in about 1970, buthappily they reunited in the mid-1980s.

______ a student, I shouldn’t be late ______ weekdays.

－Mom’sgift She _______ have chosen a better one for me.－Shemust be very happy to know it.

It’s almost five years____we saw each other last time .

依次填入下列横线处的词语，最恰当的一组是（ ）研究伊始，该团队选取了华北、西北地区生产的几十种马铃薯进行分析 ，从营养成分、 硬度等方面多次试验， 确定了适合加工马铃薯面条的两个品种。随后，又从诸多面粉种类中试验选取了 的小麦粉加以调试。