—How’s your new babysitter?
—We _______ ask for a better one. All our kids love her so much.
| A．should |
| B．might |
| C．mustn’t |
| D．couldn’t |
Fruit _______ several kinds of vitamins, ________ vitamin C.
A. contains; includedB. forms; including
C. forms; containingD. contains; including
The development of industry has been ______ gradual process throughout ______ human existence, from stone tools to modern technology.
| A．不填；the | B．the；a | C．a; 不填 | D．a; a |
We should get prepared for dealing with ________problems_________.
| A．any, arise | B．which, are arisen | C．whatever, arise | D．what, are arisen |
---You’ve read the Frog by Moyan , haven’t you?
---Yes, I_______ second time and I got a better understanding.
| A．have read a | B．had read the | C．will read the | D．read a |
We’ll never forget this terrible accident and the damage_______ has caused to the area.
| A．that | B．what | C．it | D．one |