With the effects of global warming, trees their leaves much later in the year.
#102448
A
are losing
B
have lost
C
lost
D
were losing
推荐题目
--- Have you heard that Jenny, along with her classmates, to Harbin for the winter vacation?--- Really? No wonder I haven’t seen her these days.
#100905
A
had gone
B
have been
C
has gone
D
have gone
— What were you doing when I phoned you last night?— I ______ my homework and was starting to surf the Internet.
#100538
A
have already finished
B
was finishing
C
was going to finish
D
had just finished
By the time Jack returned home from England, his son_____ from college.
#102076
A
graduated
B
has graduated
C
had been
D
had graduated
---Have you called Mr Johnson’s office? ---Yes．He ____back before tomorrow noon．So he can attend our meeting on time．
#103404
A
expected
B
is expected
C
is expecting
D
is to expect
—Where is Tom? — Well, he ______ you ______ here．Otherwise he would come down right now．
#103207
A
didn’t know; were
B
hasn’t known; are
C
doesn’t know; are
D
hadn’t known; were