______ reduce pollution，the government has made a policy to restrict the use of plastic bags in some areas．
| A．In order that | B．So as to | C．So that | D．In order to |
— Mr. Smith was really helpful when you were in financial difficulty during those years.
— Definitely. I can never appreciate his kindness ________.
| A．seriously | B．well | C．enough | D．properly |
— ______ the woman with the baby come over? We have a seat here.
— Thank you, sir. Actually I do have my seat here. But my baby likes to look out of the window.
| A．Would | B．Shall | C．Must | D．May |
With your help, there is no doubt ______ our plan is meant for will work out successfully.
| A．that what | B．whether that | C．what that | D．that whether |
— Have you seen my email about our TESL project?
— Yes. Luckily, I checked my emails yesterday. Normally, I _____ my email-box for days.
| A．haven’t opened | B．didn’t open | C．hadn’t opened | D．don’t open |
The national congressman wearing traditional clothes, in _______ hotel-room I just interviewed him, comes from a remote mountain village in West China.
| A．whom | B．his | C．whose | D．which |