—These grapes look really beautiful．
—They _______! See the price $3．99 a pound．Very expensive, aren’t they!
A．might B．could C．would D．should
It is typical of students to stay up ________ deep into the night for the final exam．
A．to read B．having read
C．to have read D．reading
Lenovo has brought out a new laptop ________ low cost will make it attractive to students．
A．which B．where C．whose D．what
Tourism, _______ it brings in money to a country, can also result in damage to the World Heritage sites there．
A．once B．while C．if D．as
“Judging the voice, and not the appearance” makes the show—The Voice of China ________from the numerous other reality shows in China．
A．knock off B．stand out
C．come across D．get through
—I’ve given out．I can’t run any farther．
—________, David．You can make it．
A．No worry B．Come on
C．No problem D．That’s impossible
