The project requires more labor than _____put in because it is extremely difficult.
A: to be
B: being
C: have been
D: has been
A: to be
B: being
C: have been
D: has been
举一反三
- The project requires more labor than _____because it is extremely<br/>difficult. A: has<br/>been put in B: have been put in C: being put in D: to be put in
- The project requires more labor than____because it is extremely difficult. A: have been put in B: to be put in C: has been put in D: being put in
- 智慧职教: The project requires more labour than __ because it is extremely difficult.
- The people in the snow-stricken areas need much more food than ______to them by the airforce. A: being delivered B: have been delivered C: delivered D: has been delivered
- Kathy （）to South Korea more than five times A: have been B: has C: gone D: has been