A.struggle
B.threaten
C.happen
D.tend
请帮忙给出正确答案和分析,谢谢!
【C14】A.manageB.tryC.directD.tend
【C11】A.intendB.supposeC.expectD.tend
【C2】A.nourishB.fosterC.feedD.tend
【C15】A.struggleB.hitC.fightD.strike
【C10】A.tend toB.tends toC.tending toD.tending
【C7】A.aimB.proposeC.selectD.tend