is known to us all is that the old scientist, for life was hard in the past, still works very hard in his eighties．
A．As; whom B．What; whom
C．It; whose D．As; whose
The young mother saw her baby fall to the ground, brought her heart to her mouth．
A．it B．and which C．and that D．this
Jam insisted that the book Mr Black referred to ．
A．was worth buying B．was worth to be bought
C．being worth buying D．be worth buying
After five days’ climbing in the mountain, they reached they thought was the place they’d been dreaming of．
A．that B．where
C．which D．what
It is you, rather than he, that for the accident．
A．is to blame B．are to blame
C．is blame D．are blame
1.abandon
A．dangerous B．balance C．female D．advanced
2.achieve
A．chemist B．technique C．stomach D．research
3.concept
A．musician B．medicine C．secure D．special
4.bond
A．ocean B．opposite C．income D．approve
5.sweat
A．break B．least C．bread D．weak
