The condition prevents the blood from freely.
| A．circulating | B．spreading |
| C．flowing | D．circling |
---Has Tom finished his composition yet?
---I have no idea, he _____ it this morning.
| A．would write | B．has written | C．wrote | D．was writing |
.---Why were you not at the concert last night ?
---Oh.I ______ for a friend from Europe at the airport.
| A．watched | B．have been watching |
| C．was watching | D．had watched |
Many new workers _____ trained and in two months they will _____ to build a new railway.
| A．are; be sending | B．are being; be sent |
| C．are; send | D．will be; be to send |
.I thought I was going to fail the exam, but I succeeded _______.
| A．first all | B．in all | C．at all | D．after all |
- What were you up to when she dropped in ?
---I _____ for a while and ____ some reading.
| A．had played; did | B．played; did |
| C．had played; was going to do | D．was playing; was going to do |