It was a time _____ the killer whales helped the whalers catch the baleen whales. |
[ ] |
A. when B. that C. then D. which |
1年前1个回答
你能帮帮他们吗
Totheworldyoumaybeoneperson,buttoonepersonyoumaybetheworld.中
1年前
The following are four forms about medicine. How to use the
1年前
如图,S 1 、S 2 是一水平面上的两个波源,它们的振动周期都为T,振幅都为A.某时刻S 1 发出的波恰好传到C,S
1年前
My name is Becky Smith.I’m eleven years old.I have one broth
1年前
将4gNaOH溶于()g水中,可使溶液中H20与Na+的物质的量之比为20:1,此溶液中溶质的质量分数为:()
1年前