You can not use the machine today because some parts __________ this week.
| A．are replaced |
| B．are being replaced |
| C．have replaced |
| D．are replacing |
Wonderful Friends, a show on Hunan TV, is about _________people get along with animals．
| A．how | B．what | C．why | D．who |
Excuse me, where can I get my car filled up?
There are gas stations at________end of the block．
| A．both | B．neither |
| C．either | D．all |
________online courses can produce good results remains to be seen．
| A．That | B．Whether |
| C．Who | D．Where |
The book I wrote last year_________and it will soon come out．
| A．printed | B．will print |
| C．was printed | D．is being printed |
Sam's bakery________a partnership with a local coffee company．Now they serve great coffee．
| A．has formed | B．would form |
| C．is forming | D．will form |