They devote themselves to __ a new way to make populated water clean.
| A．finding | B．look for | C．find | D．having found |
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Word came from Mr. Smith __________ he could arrive on the following Saturday.
| A．where | B．that | C．whether | D．which |
---Do you think Peter is free today?
---I don’t think so. Recently he has been ______ the most of his time to prepare for the final examinations.
| A．making | B．planning | C．using | D．getting |
The millionaires, ____, are not happy as most of us had thought.
| A．honest | B．to be honest | C．honest | D．to be honesty |
He was seriously ill. That’s _______ he didn’t appear at the party.
| A．because | B．what | C．why | D．when |
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