It was in the year 1925__________John Baird found a way to send pictures by wireless.
A. when
B. that
C. on which
D. which
Nowhere else in the world __________ cheaper goods than in Hong Kong.
A. can a tourist find
B. a tourist will find
C. a tourist finds
D. a tourist has found
Look this way! __________.
A. There comes the school bus
B. There the school bus comes
C. The school bus comes there
D. The school bus there comes
Not until I began to work __________ how much time I had wasted.
A. didn’t realize
B. did I realize
C. I didn’t realize
D. I realized
微信支付 
支付宝支付