—Did you find the missing couple in the mountain yesterday?—No, but we ______ to get in touch with them ever since.
#100903
A
had tried
B
have tried
C
have been trying
D
had been trying
推荐题目
I __________ glasses since I was in primary school and I hate them. They make me look like a bookworm.
#102386
A
have worn
B
have been wearing
C
have been worn
D
was wearing
Rose _________ tell her mother that she didn’t pass the exam.
#103346
A
dare not to
B
doesn’t dare to
C
doesn’t dare
D
dares not
Although the Eiffel Tower ________ to last for 20 years, it is still standing today.
#99837
A
has designed
B
had designed
C
is designed
D
was designed
The last few years ________ many natural disasters around the world, from drought to earthquake.
#102403
A
see
B
are seeing
C
have seen
D
saw
The manager _______ the workers how to improve the program since 9 a.m.
#102020
A
has told
B
is telling
C
has been telling
D
will have told