The couple give ________ attend their 50th wedding anniversary some gifts to share their happiness.
A. whoever B. whomever C. whom D. Who
So touching_____ that I couldn’t hold my tears back when I heard it for the first time
A．the song sounds B．had the song sounded
C．the song sounded D．did the song sound
Frequent smoggy weather has set the alarm ringing; by no means can we develop economy _____ the environment.
A. under the name of B. for the sake of
C. at the cost of D. in the light of
The English play _____ my students acted at the New Year’s party was a great success.
A. for which B. in which
C. at which D. on which
If you _____ regret things you did or didn’t do in the past, then you won’t be able to move forward.
A. actually B. briefly C. casually D. Constantly
— Why are you still here! Everybody has gone to attend the lecture by the president!
— Oh, I ____ about it!
A. wasn’t informed B. didn’t inform
C. haven’t informed D. hadn’t been informed
