David _____ （go to）the park just now这题填had gone to对吗?为什么?那请问一下可不可以用has been to表示之前去了公园现在已经回来了？

You mustn't go to school.(改祈使句）_____ _____ to school. david doesn't have time _________money to go traveling.a.andb.orc.nord.either I don't know where to go this weekend.(改为宾语从句）I don't know _____ _____ _____ go this weekend David smoked a lot , but now he doesn't ,(保持原句意思） David _____ ______ smoke a lot. Maria:Jim,1.____ 2._____ my friend,David.David,3.____ 4.____ my brother,Jim.Jim:Nice tomeet you.David:Nice to meet you,too.Jim:How are you?David:7.____,thank you.Maria:David,8_____ Anna your sister?David:No,9_____isn't.She's my sister's 10._____frien David _____ （go to）the park just now这题填had gone to对吗?为什么?那请问一下可不可以用has been to表示之前去了公园现在已经回来了？ I don't want to goshopping.she doesn't want to go,either.（合成简单句）_____ I______she　＿＿＿＿to go shopping We needn't go to schol tomorrow.We____ _____ to go to school tomorrow They don’t have to go to school tomorrow.（改为同义句）They____ _____ to school tomorrow Bob didn′t go to work because of the heavy rain.(改为同义句）Bob didn’t go to work,____it rained _____ . my sister is not old enough.she can't go to school(保持原句意思）my sister is _____ ______ to go to school She doesn't go to a football match .（改为肯定句）She _____ to a football match . Tom said he _____ to school the next day.A.wouldn't go B.doesn't go C.won't go D.didn't go It rained heavily .Jane didn't go toschool.(同义句改写）It rained _____ ______ ______ Jane didn't go to school. I couldn't go to school because I was ill yesterday.改同义句I couldn't go to school _____ _____ _____ ______ yesterday. We don't go to school on weekends.(改为同义句) We _____ to school _____ Monday _____ Friday. I don't like to go to school late .= I don't like _____ _____ late ______ school 19.I’ve never seen anyone run so fast--_____ David go.A.just watch B.just to watchC.just watching D.just having watched知识点是什么?