-- I’d like to invite you to a concert this evening.
-- Thank you, but _______ I’ll be free I’m not sure at the moment.
| A．while | B．if | C．whether | D．when |
------How are you getting on with your roommates?
--------______. I’ve got to know them all.
| A．Far better | B．Much pleased | C．Very comfortable | D．Very good |
To their great relief, the lost child went back home, ______, after an absence of two weeks.
| A．felt tired and sound | B．tiring and soundly |
| C．feeling tired but soundly | D．tired but sound |
-----Have our working conditions improved?
---No, ______than before, I’m afraid.
| A．no better | B．a little better | C．not worse | D．no worse |
The task is too much for him, so he can’t continue ______any longer. He must get some help.
| A．singly | B．simply | C．alone | D．lonely |
I haven’t seen______ this since I collected stamps.
| A．as beautiful a stamp as | B．so anbeautiful stamp as |
| C．stamp as beautiful as | D．as anbeautiful stamp a |