Vitamin D helps our bodies make a special chemical，and this special chemical, ______
affects our brains，making us feel happy．
| A．in turn | B．in particular | C．in advance | D．in short |
I found some old pictures at the back of my drawer which _____ memories of my childhood.
| A．called in | B．called up | C．called back | D．called for |
---Is everyone here?
---Not yet …Look, there _____ the rest of our guests.
| A．come | B．comes | C．is coming | D．are coming |
---_____ the incident have happened last term?
---No. At the very beginning of this term much as I remember.
| A．Could | B．Must | C．Might | D．Should |
---Do you have anyone particular in _____ for the job?
---In my opinion, Tom is the right person.
| A．heart | B．head | C．mind | D．brain |
---What about ______ conference you attended last week?
---To tell the truth, it was too boring, you know, _____ conference like that.
| A．a, the | B．the, / | C．the, a | D．the, the |