课后限时自测(一) (对应学生用书第335页)
(建议用时：30分钟)
Ⅰ.语法填空
Mum(putting on her coat)：I'm going to have to go down to the shop for more bread.
Alan：Why?
Mum：I'm not sure what __1__(happen)．I made some sandwiches earlier and left them on the table __2__ I went to answer the phone.But someone must have taken them because they're __3__(go)．
Alan：Oh，it must have been Dad.I'm sure he was in the kitchen __4__(early)．
Mum：No，he went off to his tennis match before I finished __5__(make) them，so he couldn't have done it.__6__，he couldn't carry a plate of sandwiches as well as all his tennis stuff，so I'm sure __7__ wasn't him.
Alan(opening fridge door)：Well，it wasn't me.But Mum，look！Are these your sandwiches here on the bottom shelf of __8__ fridge?
Mum：Are they there？Oh，my goodness.I __9__ have put them in there when the phone rang.Oh，dear.I really must be losing my __10__．Now，why did I put on my coat?
