The number of people invited __________ fifty, but a number of them __________ absent for different reasons.
| A．were ； was |
| B．was ； was |
| C．was ； were |
| D．were ； were |
Though having lived abroad for years, many Chinese still ______ the traditional customs.
| A．perform | B．possess |
| C．observe | D．support |
The president spoke at the meeting for nearly an hour without _______ his notes.
| A．bringing up | B．referring to |
| C．looking for | D．trying on |
------ Did you have _____ great fun at the party?
------ Yes. It’s ______ great pity that you missed it.
| A．/; / | B．a; / |
| C．/; a | D．a; a |
------ I’m thinking of the test tomorrow. I’m afraid that I can’t pass this time.
------ _______! I’m sure you will make it.
| A．Go ahead | B．Good luck |
| C．No problem | D．Cheer up |
, the disease will produce a powder poison that will kill the patient.
| A．If it untreated | B．If is untreated |
| C．If being untreated | D．If untreated |