—Do you know what to do in the lab, Mike?
—Oh, sorry I don’t----just _____if I could get a ticket for the Shanghai Expo.
A.wonder | B.wondered | C.wondering | D.having wondered |
推荐套卷
—Do you know what to do in the lab, Mike?
—Oh, sorry I don’t----just _____if I could get a ticket for the Shanghai Expo.
A.wonder | B.wondered | C.wondering | D.having wondered |