—_____ is your cat? —I think it’s one year old.
| A．How many | B．How much |
| C．How old | D．What color |
The light is on in Mr. Green’s room. He _______ be at home.
| A．must | B．can | C．mustn’t | D．can’t |
A new supermarketin my hometown last month.
| A．built | B．has built | C．was built | D．is building |
—Excuseme.Couldyoutellme______________gettotheairport?
—Certainly.Gostraightalonghere.
| A．howcanwe | B．howwecan | C．whencanwe | D．whenwecan |
Friends are those__________ make you smile，always open their hearts to you and encourage you to succeed
| A．which | B．what | C．whom | D．who |
Mike is only 15 years old. He is not _____________ to get a driver’s license.
| A．old enough | B．enough old | C．young enough | D．enough young |