Everyone hopes that we can do something to make things better, so we can't help ______ under the stress.
| A．but working | B．but to work | C．work | D．but work |
_____ you make a little room for me?
| A．Should | B．Could | C．May | D．Must |
I am told that her father is in London and ______ a dry-goods store.
| A．has kept | B．kept | C．keeps | D．had kept |
He ______ English for six years by the time he takes his examination.
| A．was studying | B．would have been studying |
| C．had been studying | D．will have been studying |
George has arrived, but I did not know he ______ until yesterday.
| A．comes | B．will come | C．is coming | D．was coming |
It ______ six years since they last saw each other.
| A．was | B．had been | C．is | D．would have been |