—I have been waiting for you so long.
—Sorry, I have been in the library, _______ my friend look for some books.
| A．helped | B．helping | C．to help | D．help |
相关试题
-- _________ you called yesterday?
-- Tom．Why?
| A．Who it is that | B．Who is it that | C．Who was it that | D．Who it was that |
All things _________
, her suggestion is of greater value than yours.
| A．consideration | B．considering | C．considered | D．are considered |
More than one student in our class _________ to Shanghai Expo.
| A．has been | B．have been | C．is | D．are |
–It’s really a pity that I didn’t see you in Shanghai.
-- I _________ to see you in the hotel, but I was too busy.
| A．hope | B．hadhoped | C．hoped | D．amhoping |
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