从课文中选择合适的词或词组填入空内:1.We should __call on___ Bob while we’re in London.2.As soon as she reached home, she began to _prepare_____ the dinner.3.Jim finished the work all __by himself____ .4.Why don’t you ___stay to dinner_____ with us tonight?5.The football hit the boy so hard _that __ he nearly fell over.