—Hi, Susan, you look tired.—I       for months for the coming celebration of our school’s 90th anniversary.
#100961
A
was preparing
B
have been preparing
C
had prepared
D
prepare
推荐题目
 Thank you for       me find my little cat yesterday.
#102369
A
help
B
helps
C
helped
D
helping
The gasoline _______. Let’s fill the car up at the next gas station.
#101070
A
is running out
B
has run out
C
is being run out
D
has been run out
Ted ______ for two months in London last year to receive his yearly training.
#103424
A
stayed
B
has stayed
C
had stayed
D
would stay