It is essential that all these figures () twice.
A: being checked
B: are checked
C: checked
D: be checked
A: being checked
B: are checked
C: checked
D: be checked
举一反三
- It is essential that all these figures ______ twice. A: must be checked B: be checked C: is checked D: will be checked
- It is essential that all these figures___twice. A: be checked B: are been checked C: being checked D: to be checked
- They packed and （）of the hotel． A: checked out B: checked over C: checked in D: checked into
- They packed and ______________ of the hotel. A: A. checked in B: B. checked out C: C. checked on D: D. checked by
- when being checked at