Having finished the work，__________．
A． it was almost six o’clock
B． supper was ready
C． a postman came and delivered some letters．
D． we had a rest and then had supper
It was with great joy _______ Tom received the news that his lost son had been found．
A． because B． which
C． since D． that
So sudden ______ that the enemy had no time to escape．
A． did the attack
B． the attack did
C． was the attack
D． the attack was
Look out！Don’t get too close to the house ________ roof is under repair．
A． which B． whose C． what D． that
I have an appointment _______ Dr．Brown，but I need to change it．
A． to B． off C． with D． from
— I’m sorry．I ________ at you the other day．
— Forget it．I was a bit out of control myself．
A． shouldn’t shout
B． shouldn’t have shouted
C． mustn’t shout
D． mustn’t have shouted
