根据汉语意思及句意完成句子。(7分)
小题1:You’d better ____________(起草) an outline before you write the composition.
小题2:How do you________________(与……联系) your parents? By telephone.
小题3:______________(顺便问一下), where is our monitor? She has gone to the library.
小题4:We must drive for ____________(好几个)hours to get to the store.
小题5:We must help the people__________(在困难时).
小题6:Everyone____________(有义务)protect our environment.
小题7:Most families in our country had ______(至少)three or four children.
