The zoo keepers is worried because the number of visitors __ smaller and smaller.
#103375
A
become
B
became
C
is becoming
D
have become
推荐题目
The changes of the plants and animals in an area ________ from differences in climate and the nature of the country.
#99115
A
rise
B
raise
C
arouse
D
arise
I had meant to meet you at the airport this morning but I was too busy for I_______ a report.
#100524
A
wrote
B
was writing
C
have written
D
had written
--- Who’s the man over there? --- It’s Jack. --- Oh? ______ in Italy.
#104091
A
I think he’s
B
I’ve thought he’s been
C
I thought he was
D
I’d thought he’d been
She ______ tomorrow and you had better see her off(送行).
#100022
A
is leaving
B
left
C
leaves
D
has left
—Hi,Smith, can I borrow the meeting-room upstair this afternoon?—Sorry．It ____
#102699
A
is painted
B
is being painted
C
has painted
D
had been painted