The girl arranged to have piano lessons at the training centre with her sister______ she would stay for an hour.
| A．where | B．who | C．which | D．what |
According to a new study by a British’s university , learning ______ second language can lead to ________ increase in your brain power.
| A．a ; the | B．不填；the | C．a ；an | D．the ；an |
To succeed in a difficult task ,______________.
| A．Persistence is needed | B．Persistence is what you need |
| C．One needs to be persistent | D．A persistent nature is needed |
We’ll buy a11 the products in your storehouse, ______ of course the price is reasonabte．
| A．provided | B．unless | C．though | D．until |
---_____ the letter on your way to office.
---OK. I _______.
| A．Don’t forget posting; will | B．Do remember to post; will |
| C．Do forget to post; do | D．Do remember posting; do |
From the situation in this financial crisis,you can see _____China is totally not ______ she used to be a century ago.
| A．／;that | B．that;what | C．which;that | D．whethe;that |