We are confident that the environment ________ by our further efforts to reduce pollution.
#100189
A
improves
B
will be improved
C
has improved
D
was improved
推荐题目
(2013·山西高三诊断)—Oh, God! Somebody ________ the cup.—It wasn't me. I didn't do it.
#99608
A
was breaking
B
is breaking
C
has broken
D
had broken
Tony ____ for the company as an engineer for two decades. Now he teachesmechanics m Peking University.
#100416
A
has worked
B
worked
C
is working
D
had worked
It ______ that Tokyo will be the host city for the 2020 Summer Olympic Games.
#100241
A
will report
B
will be reported
C
has reported
D
has been reported
— I don’t understand why you didn’t go to the lecture yesterday afternoon.—I’m so sorry. But I _________ my homework.
#100590
A
had done
B
was doing
C
would do
D
am doing
---Where’s the little elephant?---It’s said it ___ in the hospital.
#101526
A
was examined
B
will be examined
C
is being examined
D
has been examined