It's an either-or situation - we can buy a new car this year or we can go on holiday but we can’t do ______.
| A．Others | B．Either | C．Another | D．both |
The strange man asked me to hand the letter to _____ I met in the police station, saying it was very important.
| A．whoever | B．whatever | C．whichever | D．whomever |
He told us whether _____ a picnic was still under discussion.
| A．to have | B．having | C．have | D．had |
The computer was used in teaching. As a result, not only _____, but students became more interested in the lessons.
| A．saved was teachers’ energy | B．was teachers’ energy saved |
| C．teachers’ energy was saved | D．was saved teachers’ energy |
Please do me a favor —_____ my friend Mr. Smith to Youth Theater at 7:30 tonight.
| A．to invite | B．inviting | C．invite | D．invited |
36. You and I could hardly work together, _____? 
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |