--Where’s Mr. Wang , do you know? -- Well, it’s hard to say. But I saw him        a football game just now. 
#50878
A
was watching
B
watching
C
had watched
D
watched
推荐题目
Why not _____ an English club to practice ______ English?
#49695
A
to join; to speak
B
join; speaking
C
join; to speak
D
to join ; speaking
—Why did you plant so many trees? — ______ the environment.
#49943
A
Improve
B
To Improve
C
Improved
D
Improving