Betty will ring me up as soon as she ______ in Beijing.
#101706
A
arrive
B
arrives
C
arrived
D
will arrive
推荐题目
-------- The window is dirty. --------- I know. It __________ for weeks.
#101585
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
My mind wasn't on what he was saying so I'm afraid I ______ half of it. 
#101245
A
was missing
B
had missed
C
will miss
D
missed
When the old man ______ to walk back to his house, the sun ______ itself behind the mountain. 
#100109
A
started; had already hidden
B
was starting; hid
C
had started; had already hidden
D
had started; was hiding