问题
I really wonder__________ he has posted me many parcels___________ we didn’t work together
A:that; before
B:which; since
C:X; when
D:that; since
B:which; since
C:X; when
D:that; since
正确答案是：
同类题型
I _________ great progress in English since I _________ reading novels in English.
ists have created GM tomatoes which______ fresh for 45 days, three times as long as normal tomatoes.
I have no doubt in my mind_____ they will be happy to accept the job