While standing on a moving bus, you’re supposed to hold onto the bar in order not to _____.
#84430
A
in balance
B
keep balance
C
lose balance
D
hold the balance
推荐题目
— You look upset. What’s the matter?— I had my proposal _______ again.
#72719
A
turned over
B
turned on
C
turned off
D
turned down
A great explosion _______ in a chemical factory in Hangzhou several months ago.
#71902
A
occurred
B
occurred to
C
has happened
D
has taken place
She was scared         the yard because she was scared         by the big dog         at the gate. 
#67024
A
to go into; to be bitten; lay
B
of going into; to bite; lying
C
of going into; to bite; laying
D
to go into; of being bitten; lying