I visite Zhangjiajie during the summer vacation .It’s a pleasant trip, ____I’ll never forget.
| A．one | B．what | C．it | D．that |
No bread eaten by man is so sweet as ________ earned by his own labor.
| A．one | B．that | C．such | D．what |
It is written clearly in the requirements that all passengers _______ check onto board thirty minutes before the plane takes off.
| A．may | B．can | C．will | D．shall |
How disappointing! We have finished _______ 5%
| A．no more than | B．no less than | C．not more than | D．not less than |
Tom hid himself behind the door, _______ he rushed out to scare his mother.
| A．which | B．where | C．from which | D．from where |
You can't imagine the hard time he had ______ the horse in.
| A．holding | B．to hold | C．held | D．hold |