Experts suggest that teenagers _____ at least 30 minutes exercising, five times a week.
| A．have spent | B．should spend |
| C．will spend | D．would spend |
“Follow sb’s advice ” means ____.
| A．do as sb. does | B．say as sb. says | C．say as sb.does | D．do as sb.says |
“Follow sb’s advice ” means ____.
| A．do as sb. does | B．say as sb. says | C．say as sb.does | D．do as sb.says |
I ___ read your letter when the bell rang.
| A．have | B．was about to | C．wanted to | D．should have |
---I wish I would see you again. ---_____.
| A．So would I | B．So do I | C．So did I | D．So had I |
____ English words come from foreign language.
| A．A great many | B．The great many | C．A great many of | D．A great much |