With ________ word “PM 2.5” repeatedly appearing in ________ media reports, the public can’t help wondering what it really means.
| A．the; \ | B．a; the | C．the; the | D．\; the |
—you were so late this morning?—I forgot to set the alarm before going to bed last night.
| A．Why | B．How come | C．How about | D．How |
my wife prefers _______ yoga ____ a good figure.
| A．to do;to keep | B．doing; keeping | C．to do;keeping | D．doing;to keeping |
______ it is required to follow the grammatical ruled when witting English,there are always some exceptions.
| A．Unless | B．while | C．As | D．Since |
he recommended us to read the book Who moved my cheese,_______ written by Spencer Johnson.
| A．one | B．that | C．which | D．it |
Smoking, ____ some smokers, might ease their anxiety sometimes, but ____ the addiction caused by their constant practice, it is really hard to give up.
| A．according to; due to | B．according to ;because |
| C．as to; since | D．thanks to;if |