Can tigers really ______? Yes, _______A.swim; they can’t B.swimming; they canC.swim; they can
( ) I didn’t go shopping yesterday. He didn’t ________.
( ) Usually Xiao Li spends________time doing homework than Xiao Chen does.
( ) Some animals were________in the daytime and________at night.
( )The woman is fifty, but she looks________.
( ) My friends are very________to me.