let's buy watermelon这里的buy要不要加ing

let's buy watermelon这里的buy要不要加ing 是let's buy thing还是let's buy things Let's buy something的意思? Let's buy a kilo___( 介词 )tomatoes let 's _____(buy) him a hamburger Let's buy a pumkin lanthrn then.翻译 Let's buy some vegetables同义句怎么变 look ai those ice creams let's buy let's buy some food this afternoon.(改为同义句) let's buy some food-----the picnic 介词 Let's ( ) ( buy) some oranges用适当形式填空 连词组句buy/a/let's/watch/new/! Let`s buy a card for our grandparents.同义句 let’s buy a card for our teacher同义句 let' s buy agift for him翻译成中文 how does watermelon feel?it;s------and------- Shall we buy some beef?=Let's buy some beef,___ ____? Let's buy something in the supermarket.同义句 Let's_____ ______ ______in the supermarket.