On the Eve of the Spring Festival, parents always _______ lucky money to their children.
| A．give up | B．give in | C．give out | D．give off |
They must have been here the day before yesterday,＿＿＿＿?
| A．mustn’t they | B．didn’t they | C．mustn’t have they | D．had they |
Mr Bush is on time for everything. How＿＿＿it be that he was late for the opening ceremony?
| A．can | B．should | C．may | D．must |
Iyou a beautiful present for your birthday,but I was short of money at that time.
| A．would buy | B．had bought |
| C．would like to have bought | D．must have bought |
I lost your address, otherwise I＿＿＿＿you long before.
| A．had visited | B．have visited | C．would have visited | D．should visit |
Very loud noise＿＿＿＿＿make people ill or drive them mad.
| A．should | B．can | C．need | D．must |