---I haven’t seen Jack for days.
---I forgot to tell you. He fell ill last week and _____ yet.
| A．doesn’t recover | B．hasn’t recovered |
| C．isn’t recovering | D．didn’t recover |
As they were walking around, they noticed a man _______ against a tree.
| A．sit | B．to sit | C．sitting | D．sat |
Do some warming up exercise before sports. Or you _______ hurt yourself.
| A．must | B．need | C．should | D．may |
Teenagers ________ their sense of hearing because they always wear earphones.
| A．damage | B．are damaging |
| C．has damaged | D．will damage |
What the sick child needs most now ______ love.
| A．is | B．are | C．was | D．were |
Many people _________ lose one of their senses have made great achievements.
| A．who | B．whom | C．which | D．what |