I still doubt _____ he can overcome(克服) all the difficulties..
| A．why | B．whether | C．when | D．how |
The frozen waterfall has attracted floods of tourists to_______ the natural beauty.
| A．cherish | B．admire |
| C．observe | D．discover |
He abandoned teaching_______ a career as a musician.
A. in favor of B. in terms of
C with regard to D. with reference to
It might have_______ your notice but I am very busy at the moment.
| A．quit | B．neglected |
| C．escaped | D．denied |
Flocks of customers joined Alibaba Singles Day, Hong Kong, the U.S. and Russia_______ the top three outside.
| A．claimed | B．to be claimed |
| C．claiming | D．being claimed |
As the dark horse, China’s football team swept into the quarterfinals_______ it lost to host country Australia.
| A．as | B．what | C．that | D．where |