You’d better a doctor about your illness.
A consult
B. advise
C. refer to
D. discuss
Cole Bettles ______ by a number of universities when he received an e-mail from the University of California last month.
| A．had been rejected | B．has been rejected | C．has rejected | D．was rejecting |
English is a course for anyone in university, ______ his or her major or previous educational qualifications are.
| A．whatever | B．whether | C．however | D．no matter |
Rare species in the world, ______ by hundreds every year, must be jointly preserved by all countries, or humans will encounter ecological disaster in the near future.
| A．disappeared | B．disappearing | C．disappear | D．having disappeared |
The joy of life is a deep spring. Only when digging deep ______ clear and sweet water.
| A．you can draw | B．did you draw | C．can you draw | D．you draw |
The elderly patients still prefer the traditional way, ______ online booking system is supposed to be convenient and fast.
| A．while | B．though | C．unless | D．as |