Not knowing what happened, Mom was sad and angry when she saw Dad come home late, ________.
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The managers, ____it clear to us that he didn’t agree with us, left the meeting room.
| A．who has made | B．having made | C．made | D．making |
Some researchers believe that there is no doubt___ a cure for AIDS will be found.
| A．which | B．that | C．what | D．whether |
.---Ow! I’ve burnt myself!
---How did you do that?
---I ____a hot pot.
| A．touched | B．kept | C．felt | D．held |
I’d like to arrive 20 minutes early___ I can have time for a cup of tea.
| A．as soon as | B．as a result | C．in case | D．so that |
I don’t mind picking up your things from the store._____, the walk will do me good.
| A．sooner or later | B．still | C．in time | D．besides |