It’s up to us to give her all the help( )

[单选题]__________all our kindness to help her,Sarah refused to listen to us．A．AtB．ForC．InD．On

[主观题]It’s hard to give up __________(smoke), but you have to.

[单选题]Mary’s parents couldn’t help( )about her.A.to worryB.worryC.worryingD.worri

[单选题]We should be ableto do the job for you quickly, _____you give us all the ne

[单选题]The old woman is too( )to cross the street without her nephew’s help.A.feeb

[单选题]B．Today is Alice's birthday． All her friends are in her home． They're Ann， Tom and Lin Tao． Look! These presents on the table are for her． This new computer is from her father．The beautiful dress is from her mother． The toy car and the toy boat (船)

[试题]（2）P、S两点的电势差UP-US。

[单选题]To give us an idea of how large the rafflesia is, the author uses ______.A． the size of an elephant for comparisonB． measurementsC． comparisons to other flowersD． detailed descriptions of the flower's stem

[单选题]The mother whale failed to help her baby because__________.A． she had stayed in the polluted water for too longB． the whirlpools she had made were not big enoughC． she had no other whales around to tutu to for helpD． the waves pushed her baby in the

[单选题]( )you start，you will never give up.A.Even ifB.If onlyC.WhileD.Once