We must keep a positive attitude toward the future______we may encounter some difficulties.
| A．however | B．as if |
| C．even if | D．since |
We welcome rain, but a（an）_______ large amount of rainfall will cause floods.
| A．eventually | B．extremely | C．gradually | D．constantly |
Your ideas are very interesting, but we need_________suggestions to get us out of the mess．
| A．impressive | B．similar | C．practical | D．traditional |
In the past, he rarely spoke unless others were speaking about something that ______ to him．
| A．adapted | B．appealed | C．addicted | D．applied |
Joe ________ his anger, remembering the mistakes he had made before．
| A．held back | B．held up | C．held on | D．held down |
He does not_________as a teacher of English, for his pronunciation is terrible.
| A．equal | B．match | C．qualify | D．fit |