–Attention, please. The flight has to be_______ because of the heavy rain.
#63260
A
put on
B
put off
C
put away
D
put up
推荐题目
The news _______, right? 
#60432
A
sound exciting
B
sounds exciting
C
sound excited
D
sounds excited
–– When did they arrive?–– They ______two hours ago .They ______ here for two hours .
#58577
A
arrived; have arrived
B
arrived; have been
C
got; have been
D
reached; have reached
I          my homework at home this morning.
#61691
A
forgot
B
have forgotten
C
leave
D
left