—There aren’t any toys in our suitcase．Where have you put them?
—Oh, no．That old lady sitting next to us ______ have taken ours by mistake.
| A．must | B．could | C．should | D．would |
The teacher said “______ you work hard and have a good way, all of you will succeed.”
| A．If | B．Although | C．Though | D．Before |
______ he did was quite right.
| A．That | B．Which | C．What | D．Who |
His younger sister is often made to cry by him, but this time she made him ______.
| A．crying | B．cry | C．to cry | D．cries |
Most of us think ______ important to know how to get well along with others.
| A．it | B．不填 | C．that | D．this |
More and more foreigners are working in China, ______?
| A．are they | B．aren’t they | C．do they | D．don’t they |