— Why didn’t you come to Mike’s birthday party yesterday?
— Well, I ____, but I forgot it.
| A．should | B．must | C．should have | D．must have |
_____ is better to love than _____ .
| A．That, to be loved | B．That, be loved | C．It, be loved | D．It, to be loved |
It is the greatest happiness on earth ______.
| A．loving and to be loved | B．to love and being loved |
| C．to love and to be loved | D．love and be loved |
To play fair is as important as ______.
| A．to play well | B．play well | C．we play well | D．playing well |
---- Go to the theatre with me, will you? ---- I should like ______, but I don't have time.
| A．to | B．too | C．to do | D．to go to |
I don’t know her and I don’t ______ .
| A．want | B．want to | C．want it | D．to want |