问题

Could you tell us how long he has _______ —For about two hours.
A:How long
B:How often
C:When
D:How many times;
B:How often
C:When
D:How many times;
正确答案是:
同类题型
Won’t books be only on computers– ______ they _______. Books will still be on paper.
When he home, he often plays computer games.
Do remember to charge thebattery for 12 hours when you first use it— ________
Meeting a stranger to travel is different from traveling with friends The former holds____surprises
What would you like to order, sir—Er, let me have a look at the , please.