a. Circle the best answer A, B, C or D to complete the sentences: 1.“Recycling” means not …………… way. A.throwing things away B.throw things away C.blowing things away D. not blowing things away 2.I think it is good to spend time ……….English pronunciation. A.in B.on C.with D.at 3.Two teams take part in the ………… contest A.fetching – water B.water – fetching B.fetched – water D.water - fetched 4.She is not old ………………….to go out alone in the evening. A.enough B.for C. so that D. that 5.Ha Long Bay, one of the most picturesque sights in Viet Nam, was …………. by UNESCO as world Heritage Site. A.recognized B.signed C.realized D. collected 6. Could you help me ………………this door, please? A.push B.pushing C.pushed D.for pushing 7.At the end of the street there is path ……………. To the river. A.leads B.leasd C.leading D.led 8.All letters ……………….today should arrive tomorrow. A.posted B.post C.to post D.posting 9.When I arrived, there was a big red car ……………outside the house. A.park B.parked C.parking D.parks 10.I live in a pleasant room …………. The garden. A.overlook B.overlooks C.overlooker D.overlooking