The principal __________ the students who had been fighting to the office. ()
A. bores
B. summoned
C. click
D. distance
查看答案
He __________ his house himself. ()
A. designed
B. distance
C. relieves
D. click
__________ on the photo to see an enlarged image. ()
A. designed
B. constant
C. relieves
D. click
Sue wears a helmet for __________ when she rides her bike. ()
A. safety
B. touched
C. avoided
D. beg
summon ()
A. to call to appear for a particular purpose.
B. in computing, to press and let go of the button on a mouse in order to carry out an action on the screen, such as moving the cursor or opening a program (often followed by "on").
C. to free from fear, worry, need, or poverty.
D. to make or draw plans for the structure or form of.
微信支付 
支付宝支付