Nobody knows how people first came to these islands. They _____ from South America on rafts.
#87576
A
ust have sailed
B
an sail
C
ight have sailed
D
hould have sailed
推荐题目
—“What courses are you going to take next semester if you want to receive enough credits to get your degree?”—“I don’t know. But it’s about time on something.”
#87619
A
I’d decide
B
I decide
C
I’m deciding
D
I decided
Comrade Wang ________ be in Shanghai—I saw him in the company only a few minutes ago.
#89980
A
mustn’t
B
can’t
C
may not
D
isn’t able to
“He will come tomorrow.” “But I’d rather he _______ the day after tomorrow.”
#86657
A
will come
B
is coming
C
came
D
had come
Look! Tom is too sleepy to work．He _______ up watching TV．
#87635
A
mustn’t have stayed
B
shouldn’t have stayed
C
mustn’t stay
D
ought not to say．
—I saw your uncle take a taxi to the airport．Why didn’t you drive him there?—I ,but my car ．
#86892
A
would; was fixed
B
would have; was fixed
C
would have; was being fixed
D
did; was being fixed