He tried his best to solve the problem, _______ difficult it was.
| A．however | B．no matter | C．whatever | D．although |
Some parents are just too protective. They want to ______ their kids from every kind of danger, real or imagined.
| A．spot | B．dismiss | C．shelter | D．distinguish |
—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 |