He found his son _______ inside the lift, _______ very worried.
| A．trapping; felt | B．trapped; felt | C．trapped; feeling | D．trapping; feeling |
I would appreciateif you can keep an eye on my dog while I am away.
| A．you | B．that | C．不填 | D．it |
The boy failed four times, but he said he would try ___________.
| A．a five time | B．a fifth time |
| C．the five time | D．the fifth time |
The band ________ in about 1970, but happily they reunited in the mid-1980s.
| A．broke up | B．broke in |
| C．broke out | D．broke down |
— Dad, would you please buy some strawberries for me? I love them.
— I'd like to, but they are not _____ in winter.
| A．accustomed | B．convenient |
| C．casual | D．Available |
—Do you know where David is? I couldn't find him anywhere.
—Well, he ______ have gone far—his coat's still here.
| A．shouldn't | B．mustn't | C．can't | D．wouldn't |