Although it had been _____ struggle for him to finish ______ experiment, he enjoyed the result with_______ satisfaction.
| A．the; an; / | B．a; the ; / | C．a; an; a | D．/; the; a |
--- Have you ever been to Beijing?
--- No, but I wish I .
| A．have |
| B．will |
| C．do |
| D．had |
You come earlier. The bus left a moment ago.
| A．would |
| B．should have |
| C．may |
| D．have |
today, he would get there by Friday.
| A．Would he leave |
| B．Was he leaving |
| C．Were he to leave |
| D．If he leave |
any change about the date, please tell me immediately.
| A．Will there be |
| B．Should there be |
| C．There will be |
| D．There should be |
Had you listened to the doctor, you all right now.
| A．are |
| B．were |
| C．would be |
| D．would have been |