I catch cold now and then.
#13656
A
always
B
occasionally
C
constantly
D
regularly
推荐题目
Sir, you are not allowed to enter the building without our manager’s ________.
#10853
A
permission
B
attention
C
application
D
protection
The ticket ______ two people to the party.
#13128
A
permits
B
admits
C
promises
D
allows
The soldiers put up a strong________in order to protect their country.
#10663
A
performance
B
breakdown
C
defence
D
system