—Alice has just lost her husband to heart failure.
—Her ______ smile can’t hide her sorrow.
A. arbitrary B. artificial
C. compulsory D. conventional
Though ______ behind and feeling awkward, Jack kept on running until he reached the finishing line.
A. leaving B. having left
C. left D. being left
They arrived at the border between Kenya and Tanzania at 2 pm, ______ lies a national nature reserve.
A. what B. which C. where D. when
—Helen is going to Manchester for further education next month.
—I’m ______ because I have to stay at home and work.
A. green with envy B. white as a sheet
C. tickled pink D. black and blue
We can gain valuable wisdom from mistakes which ______ to prevent them from happening again.
A. should be avoided B. might be avoided
C. must have been avoided D. could have been avoided
Many netizens are impressed with the excuse given by a teacher for quitting her job ______ she owes the world a visit.
A. because B. that C. where D. why
