"On no account ____to feed the animals", the warning can be seen on the signboard in front of every cage.
| A．allow visitors | B．visitors are allowed |
| C．are visitors allowed | D．are allowed visitors |
The astronaut did many experiments in the spaceship, ______ much help for knowing space.
| A．which we think it is | B．which we think are of |
| C．of which we think are | D．I think which is of |
— What were you doing when I phoned you last night?
— I ______ my homework and was starting to surf the Internet.
| A．have already finished | B．was finishing |
| C．was going to finish | D．had just finished |
It may be fairly cheap to buy, but you’ve got to ______ the money you’ll spend on repairs.
| A．take charge of | B．take into account |
| C．take advantage of | D．take the place of |
The winter of 1990 was extremely bad. ______, most people say it was the worst winter of their lives.
| A．At last | B．As a result | C．In a word | D．In fact |
Please don’t phone him between 1 and 3 p.m. tomorrow. He ______ a lecture then.
| A．will have delivered | B．has been delivering |
| C．will be delivering | D．delivers |