I ________ him in time, otherwise he would have fallen off the bike.
| A．had supported | B．supported |
| C．have supported | D．support |
We very early so we packed the night before.
| A．leave | B．had left | C．were leaving | D．have left |
Since nobody gave him any help, hehave done the research on his own.
| A． | can | B． | must | C． | would | D． | Need |
I got to the office earlier that day,the 7:30 train from Paddington.
| A．caught | B．to have caught | C．to catch | D．having caught |
When I arrived, Bryan took me to see the house_I would be staying.
| A．what | B．when | C．where | D．Which |
I was glad to meet Jenny again, I didn't want to spend all day with her.
| A．but | B．and | C．so | D．or |