—Is the chemistry experiment easy? —______. I’ll just do my best.
| A．I think so | B．Certainly |
| C．Not a little | D．Anything but |
With all the passengers ________, the plane took off.
| A．on the board | B．on board | C．on the boards | D．on boards |
He talked happily about the teachers and books _______ interested him greatly in the school.
| A．that | B．when | C．who | D．which |
Every one of the girls was looking forward to _______ as an actress.
| A．be chosen | B．choosing | C．being chosen | D．choose |
—Use my umbrella to ______ yourself from the rain, will you?
—That’s very kind of you.
| A．prevent | B．keep | C．rescue | D．protect |
John and I get on well with each other because we share a lot in ______.
| A．each other | B．usual | C．ordinary | D．common |