What worried the child most was _________ to visit his mother in the
hospital.
| A．his not allowing | B．his not being allowed |
| C．his being not allowed | D．having not been allowed |
The policeman warned the drive ________ so carelessly.
| A．never to drive | B．to never drive | C．to not drive | D．doesn’t drive |
—Can I use your laptop for a while?
—; anyhow I am not using it now．
| A．That's OK | B．By all means | C．It doesn't matter | D．Use it |
Only after Helen moved to Australia ______ how important she was to me .
| A．I had realized | B．had I realized | C．I did realize | D．did I realize |
Spelling Bee is a contest competitors, usually children, are asked to spell as many words as possible.
| A．which | B．where | C．what | D．When |
We began to open to the outside world in the ate 1970s. , there have been great changes in the country.
| A．As a result of | B．As a result | C．First of a11 | D．After all |