The watch was very good, and he _______ 20 percent down for it．
A．paidB．costC．boughtD．spent
We _______ very early so we packed the night before．
A．leaveB．had left
C．were leavingD．have left
Since nobody gave him any help, he ______ have done the research on his own．
A．canB．mustC．wouldD．need
I got to the office earlier that day, _______ the 7:30 train from Paddington．
A．caughtB．to have caught
C．to catchD．having caught
When I arrived, Bryan took me to see the house ______ I would be staying．
A．whatB．whenC．whereD．which
I was glad to meet Jenny again, _______ I didn’t want to spend all day with her．
A．butB．andC．soD．or
