To our relief, Xiaodan as well as the other children who ______ no parents ______ good care of in the welfare institute.
| A．have; is being taken | B．has; are being taken |
| C．has; is being taken | D．have; are being taken |
I would have dropped in on him, but I ____ his address.
| A．didn’t know | B．hadn’t know | C．don’t know | D．wouldn’t know |
. It’s high time that we ___ home and _____ supper now.
| A．go; have | B．went; had | C．go; should have | D．went to; have |
But for electricity, human life _____ so easy today.
| A．isn’t | B．would not be | C．will not be | D．would not have been |
We ___ to start our own business, but we never had enough money.
| A．have hoped | B．had hoped | C．would hope | D．should hope |
—We could have walked to the doctor’s; it was so near.
—Yes. A ride ___ at all necessary.
| A．wasn’t | B．hadn’t been | C．wouldn’t be | D．won’t be |