单项选择题
A. often B. frequently C. seldom D. sometimes
That's the best speech ()A. I never heardB. I didnt hea...
单项选择题That's the best speech ()
A. I never heard B. I didn't hear C. I used to hear D. I've ever heard
He told her nothing, () upset her.A. about whichB. whic...
单项选择题He told her nothing, () upset her.
A. about which B. which C. that D. for which
They found the lecture hard ()A. to be understoodB. to ...
单项选择题They found the lecture hard ()
A. to be understood B. to understand C. for understanding D. to have been understood
