.—I’ve got to go now.
—Must you ?I ______you could stay for dinner with us.
| A．think | B．thought |
| C．have thought | D．am thinking |
Hi, somebody ______ the window, please. It’s too cold in here.
| A．closes | B．close | C．will close | D．is closing |
______ you think you can or not, you must finish the project before Friday.
| A．If | B．Unless | C．Though | D．Whether |
Good news-two of our classmates ______ into Tsinghua University in advance!
| A．have admitted | B．have been admitted | C．admit | D．will admit |
．Now natural disasters happen one after another, ______ warns man to treat nature kindly.
| A．it | B．that | C．which | D．as |
It is usually cool in April in Chongqing, but it sometimes ______ be rather hot for a few days.
| A．can | B．must | C．shall | D．ought to |