Many Chinese students think science subjects are _____ foreign languages.
| A．more difficult as | B．much difficult than |
| C．1ess difficult than | D．so difficult as |
I don’t know if he ______ me. If he ______ me, I won’t go to the party.
| A．will invite; doesn’t invite |
| B．will invite; didn’t invite |
| C．would invite; ddidn’t invite |
| D．invites; will invite |
A teacher may also make a mistake if he or she is not _______.
| A．carefully enough | B．enough carefully |
| C．careful enough | D．enough carefully |
They _______ many happy hours _______ along the beach during the holiday.
| A．spend; walking | B．spent; walking |
| C．cost; walked | D．Gave; walked |
If we want to be a _____ visitor in a foreign country, it is important to know how to ask for help ________.
| A．politely, polite | B．polite, politely |
| C．politely, politely | D．polite, polite |
— Could you please tell me ______ just now?
— Sorry, I was busy with my work.
| A．what the teacher says | B．what does the teacher say |
| C．what the teacher said | D．what did the teacher say |