Unit 4Why dont you talk to your parents?,.单项填空 ( B )1.( 安徽中考 )Little Jack has learned to do lots of things on his own, he is only four years old. A.if B.though C.for D.since ( C )2.( 重庆中考B卷 ) Their parents dont allow them in the river because its really dangerous. A.swim B.swimming C.to swimD.swam ( A )3.( 达州中考 )What do you think of The Belt and Road Initiative( 一带一路倡议 )? Great!It will help China improve the with those related countries. A.relationshipB.agreement C.environmentD.information,( C )