It is not like Jack to be unfriendly, so he _________ you when you called.
20. The teenagers wonder what ______makes Jay a successful pop singer.
19. Johnson ______ for 5 years for political reasons when he was young.
二。单项选择题(共13分)18. You are very ______ to be late again unless you get there by bus.
35.You have broken your promise;you______painting the house long ago.
34.Wow! Look at the man and his horse ________are running down the road.A.which B.that C.who D where