—Where have you been recently?
—I ________ in Hangzhou on business for a week last month.
| A．have been | B．had gone | C．had been | D．was |
I＿＿＿＿＿＿often go fishing when I lived in the countryside.
| A．should | B．would | C．could | D．might |
Oh, Janne, you’ve broken another glass. You ought ＿＿＿＿when you washed it.
| A．be careful | B．to care | C．have cared | D．to have been careful |
Without electricity human life＿＿＿＿＿＿＿quite different today.
| A．is | B．will be | C．would have been | D．would be |
You didn’t let me drive. If we＿＿＿＿in turn, you＿＿＿ so tired.
| A．drove； didn’t get | B．drove； wouldn’t get |
| C．were driving； wouldn’t get | D．had driven； wouldn’t have got |
What would have happened＿＿＿＿, as far as the river bank?
| A．if Bob has walked farther | B．if Bob should walk farther |
| C．had Bob walked farther | D．if Bob walked farther |