（天津卷12）. I rained heavily in the south, _______ serious flooding in several provinces.
| A．caused | B．having caused | C．causing | D．to cause |
Only by practising a few hours every day ________ be able to play the piano well.
| A．you would | B．would you | C．you will | D．will you |
Anyone can get into the club, _______ he is a member there.
| A．even if | B．so long as | C．because | D．unless |
If the building project_______ by the end of this month is delayed, the construction company will be fined.
| A．completed | B．is completed | C．to be completed | D．being completed |
My grandma noticed that the girl ________ a short-sleeved dress, so she gave the girl a new sweater.
| A．has worn | B．was wearing | C．wears | D．is wearing |
According to IQ scores, you are smartest from 18 t0 25, but you're wiser and more experienced _______ increasing age.
| A．for | B．with | C．at | D．of |