Process has been very smooth. ______, we are not confident that it will be completed on time.
| A．Therefore | B．Besides | C．Though | D．However |
As we all know, every minute, ____full use of____our lessons , will do good to our students．
| A．when made；to study | B．which makes；studying |
| C．that is made；study | D．that is made；studying |
—What can I do for you?
—I’d like to buy a present for my son, ______at a proper price but of great use.
| A． that | B．the one | C．which | D．one |
They Were the Boy Scouts__________to help elderly people cross the streets．
| A．whose was the task | B．to whom was the task |
| C．it was whose task | D．whose task was |
He__________unwisely, but he was at least trying to do something helpful．
| A．may have acted | B．must have acted | C．should act | D．would act |
—I’d like a pen which ________well.
—Will this one_______?
| A．is written; do | B．writes; work | C．writes; do | D．is written; work |