--- Whose shirt is this?
--- It _______ be Li Lei’s. It is too big for him.
| A．could | B．must | C．can’t | D．might |
—Bob, can you read the number 420,309?
— Yes, I can. It’s ___________.
| A．four thousand and twenty thousands, three hundred and nine |
| B．four hundred and twenty thousand and three hundred and nine |
| C．four hundred and twenty thousands and three hundred and nine |
| D．four hundred and twenty thousand, three hundred and nine |
— _______ is it to your hometown from here?
— Well, it takes over two hours by train.
| A．How often | B．How far | C．How long | D．How soon |
The boy is only four years old, but he can swim ______ the lake.
| A．along | B．over | C．across | D．through |
—What’s the capital of Ottawa ? —_______ .
| A．Canada | B．Japan | C．Russia | D．France |
Do you know ______ “s” in the word “advise” doesn’t make _______ /s/ sound．
| A．a; an | B．a; the | C．the; a | D．the; an |