Silk ______ one of the primary goods traded along the Silk Road by about 100BC.( )
had become
was becoming
has become
is becoming
The officer commanded that the supplies of food and clothes ______ to the flooded area.
Supposing you _________ the lottery, what would you do with the money?
---What’s your comment on the match? --- we ________, but today was not our day.
If my lawyer ______ here last Saturday, he ______ me from going.
______ the good chance to get promoted then, he would be a sales manager now.