When we read, it is NOT advisable that we ____________________

If we _______ everything ready by now, we should be having a terrible time tomorrow [

Since we have a focused subject, we should not talk _______ [

——When shall we meet again?
——Make it___________day you like，it’s up to you．

The teachers??____________ the office for a few minutes when we arrived. We didn’t meet them.

I wonder_______ we could have a talk after the meeting,

We should take the degree ________ account when we recruit a new secretary.

We ______ a sports meeting the day before yesterday.

The people we meet _____.

—What should we take when going bird watching?—We should take a pair of binoculars ______the birds clearly.

______ before we depart the day after tomorrow, we should have a wonderful dinner party.

When we meet a（军舰）（）, we should lower national flag.