_______ basic first-aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known | C．Knowing | D．Being known |
相关试题
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 day
s’ climbing in the mountain, they reached they thought was the place they’d been dreaming of．
| A．that | B．where |
| C．which | D．what |
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