You must keep your eyes if you are going to make your trip enjoyable and worthwhile.
A, opened, to be B, open, to be C, opened, be D, open, /
— Be careful, Bill! You are being followed.
— Where is the man ______ me?
| A．to follow | B．being followed by | C．following | D．following to |
“Would you be ______ help me?” “I'd very much like to.”
| A．kind enough | B．so kind to | C．so kind as to | D．as kind as to |
We’ve come to help. Which room do you want ______?
| A．cleaning | B．cleaned | C．to clean | D．to be cleaned |
Who would you like to have ______ you?
| A．to help | B．helping | C．help | D．helped |
Time ______, we'll go shopping in that big department store.
| A．permits | B．to permit | C．permitted | D．permitting |