----- Have you heard of Earth Day ?----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .
#39398
A
celebrates
B
celebrated
C
is celebrated
D
was celebrated
推荐题目
---- Where is Mr. Green now? I haven’t seen him for a few days ---- He ________________ to Shanghai.
#42471
A
goes
B
will go
C
is going
D
has gone
I couldn’t listen carefully in our English class this morning as I _________ of the comic book that I read before class.
#41684
A
have thought
B
thought
C
was thinking
D
had thought
—What do you often do at weekends?—I often _________ my grandparents.
#36326
A
visit
B
visited
C
have visited
D
will visit
--- I called you last night but you were not in. --- Yes, I dinner with my parents in the restaurant then.
#37955
A
am having
B
had
C
have had
D
was having