单项选择题
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
It's too expensive for me. I can't()it.A. spendB. costC...
单项选择题It's too expensive for me. I can't()it.
A. spend B. cost C. pay D. afford
