1.Would you like some pears?No.thanks.Ithink there _________
1.Would you like some pears?No.thanks.Ithink there __________enough for us.A.is
B.are C.has been D.had been
22.I would like to invite you to a concert this evening
thank you but_____I will be free ,I am not sure at the moment.
A.when B.better C.whenever D.while