. I failed in the final examination last term and only then____ the importance of studies.
A I realized B I had realized C had I realizedD did I realize
By the side of the Bird’s Nest_____, completed in 2008.
A there standing the Water Cube B does the Water Cube stand
C the Water Cube standsD stands the Water Cube
. _______, he always tries his best to complete it one time.
A However the task is hardB However hard the task is
C Though hard the task is D Though hard is the task