—Did you find the missing couple in the mountain yesterday?—No, but we ________ to get in touch with them ever since.
#104758
A
have tried
B
have been trying
C
had tried
D
had been trying
推荐题目
To prepare for the Olympic Games in summer, London ____ its largest ever exercise to test the response of emergency services.
#102047
A
planned
B
is planning
C
had planned
D
plans
—I heard the peasants here very poor in the past.—Yes,but there great changes in the past few years.
#104537
A
have been;have been
B
have been;were
C
were;have been
D
were;were
The children ＿＿very quiet；I wonder what they ＿＿up to.
#104400
A
were； are being
B
are being；are
C
are；do
D
are being；do
------- What is the price of petrol these days -------Oh, it ______ sharply since last month.
#104941
A
is raised
B
has risen
C
has arisen
D
is increased
It is the third time that Susan ______ late to work and it’s high time that she ________the truth.
#103232
A
has come; tell
B
has come; told
C
came; should come
D
had come; told