The genetic engineering, ______ progress has been very rapid recently, is perhaps the most important of all the sciences．
| A．to which | B．with which | C．in which | D．for |
Do you know _______ friends are coming to our party?
| A．whose else’s | B．who’s else | C．whose else | D．who else’s |
Oh, how beautiful it is! I like _____ better.
| A．everything | B．anything | C．nothing | D．something |
If you want a friend, you’ll find _____ in me.
| A．one | B．it | C．that | D．him |
His income is double _____ it was five years ago.
| A．that | B．which | C．as | D．what |
_____ of you comes first will get the ticket.
| A．Which | B．Whichever | C．Who | D．Whatever |