19.Tina is always feeling lonely,for she never_________ in social activities,let alone making friends.( )
A. | contributes | B. | participates | C. | involves | D. | concerns |
10.No one could understand _______.( )
0 139934 139942 139948 139952 139958 139960 139964 139970 139972 139978 139984 139988 139990 139994 140000 140002 140008 140012 140014 140018 140020 140024 140026 140028 140029 140030 140032 140033 140034 140036 140038 140042 140044 140048 140050 140054 140060 140062 140068 140072 140074 140078 140084 140090 140092 140098 140102 140104 140110 140114 140120 140128 151629
A. | that he was talking about | B. | what he was talking about | ||
C. | he was talking about | D. | which he was talking |