Ten minutes ago，there ________ an eraser，a pen and some books on the desk．
A．was
B．were
C．is
—Would you mind opening the window?
—____. Look at the heavy haze (霾) outside.
| A．Yes, of course | B．Not at all |
| C．We'd better not | D．No problem |
It’s ____ useful book. And ____ book is popular with students.
| A．a; a | B．an; a | C．the; the | D．a; the |
—Is your headache getting _______?
—No, it’s worse.
| A．better | B．bad | C．less | D．well |
—Which is your new neighbor, Liu Hua?
—The man _______ T-shirt is red.
| A．that | B．who | C．which | D．whose |
—Do you know _______ the Capital Museum?
—Next Friday.
| A．when will they visit | B．when they will visit |
| C．when did they visit | D．when they visited |