With that calm and _____ expression of hers, our anxiety almost disappeared into thin air.
| A．confusing | B．determined | C．opposing | D．confused |
She devoted herself ______ to her research and it earned her a good reputation in her field.
| A．strongly | B．extremely | C．entirely | D．freely |
Don’t leave the water ______ while you brush your teeth.
| A．run | B．running | C．being run | D．to run |
Listening to loud music at rock concerts ______caused hearing loss in some teenagers.
| A．is | B．are | C．has | D．have |
People from the West like to use such expressions as “please” and “thank you” in cases ______ some people in Asia may not think it necessary.
| A．what | B．which | C．that | D．where |
______ has passed the test will get a prize.
| A．Whoever | B．No matter who | C．Whomever | D．Who |