_______you come or not is up to you.
| A．What | B．If | C．Why | D．Whether |
—What’s Jack up to in the shoe shop? He’s there for ages.
—It’s ______ that he hasn’t decided which pair to buy.
| A．sure | B．obvious | C．confusing | D．curious |
According to the newly-made traffic regulation, whoever drives through red lightbe fined at least 200 dollars．
| A．shall | B．may | C．would | D．should |
Realizing the great renewal of the Chinese nation is just _____ we call “China dream”.
| A．which | B．what | C．that | D．where |
----____ I take the book out?
---- I’m afraid not.
| A．Will | B．Must | C．May | D．Need |
You can certainly leave the classroom as soon as your homework__________.
| A．has done |
| B．has been done |
| C．will be done |
| D．will have been done |