An early typewriter produced letters quickly and neatly; the typist, _____ couldn't see his work on his machine.
| A．however | B．therefore | C．yet | D．although |
It is reported that the newly-built studio is _______ badly.
| A．equipped | B．equaled | C．supplied | D．offered |
If you happen to get lost in the wild, you’d better stay ______ you are and wait for help.
| A．why | B．where | C．who | D．what |
All the trees are ______ with fruit, promising a harvest year.
| A．covered | B．buried | C．surrounded | D．heavy |
—Did you catch what I said?
—Sorry. I ______ a text message just now.
| A．had answering | B．have answered | C．would answer | D．was answering |
—What’s wrong with you yesterday?
—When I was playing football, my strength ___________ and I fell down.
| A．gave up | B．gave off | C．gave out | D．gave in |