Each member of ____ Green Pace Club is required to gain ____ better understanding of their system.
| A．a; / | B．the, a | C．the, the | D．a, a |
________ wants to stay in a hote
l has to pay their own way.
| A．Anyone | B．The one | C．Whoever | D．Who |
The field research will take Joan and Paul about five months; it will be a long time ________ we meet them again.
| A．after | B．before | C．since | D．when |
I just wonder ________ that makes him so excited.
| A．why it does | B．what he does | C．how it is | D．what it is |
By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ________ appeared a rare rainbow soon.
| A．that | B．which | C．from which | D．above which |
— It’s burning hot today, isn’t it?
— Yes. ________ yesterday.
| A．So was it | B．So it was | C．So is it | D．So it is |