As a businessman he was a success, but as a husband he was____ failure, so their marriage ended in _____failure.
| A．/;/ | B．/;a |
| C．a; a | D．a; / |
--- You may refuse my invitation , but you must explain why .
--- Oh, I must , _____ ?
| A．did I | B．didn’t I | C．must I | D．mustn’t I |
Nothing is serious with my throat , _____ ?
| A．is there | B．isn’t there | C．is it | D．isn’t it |
One and ___ hours ____ all I can spare for you tomorrow .
| A．half ; are | B．a half ; are | C．half ; is | D．a half ; is |
. Early to bed and early to rise _____ a man healthy , wealthy and wise .
| A．make | B．makes | C．have made | D．will make |
Because I’ll be very busy this weekend , I’m afraid I had to ____ to take part in the party
| A．refuse | B．decline | C．deny | D．reject |