43.We have no problems ___________(work) it out.44.Can you ________ (write) a letter in English?

问题描述:

43.We have no problems ___________(work) it out.44.Can you ________ (write) a letter in English?

43.working
have problem (in)doing=have trouble doing干……有困难
44.write
Can 是情态动词 后面的动词用原形