--- What happened to your shoes?
--- They want _____。 .
| A．to mend | B．being mended | C．mending | D．mended |
It is generally considered unwise to give a child _____ he or she wants.
| A．however | B．whatever | C．whichever | D．whenever |
He insisted that he _____ from heart trouble, but I didn’t think so.
| A．should suffer | B．has suffered | C．suffers | D．was suffering |
The professor referred to _____ yesterday.
| A．come | B．came | C．coming | D．comes |
He got completely _____ when he saw both Lucy and Lily, who are twin sisters.
| A．confusing | B．confused | C．confuse | D．confuses |